92-459: Flower Pot Men is a British programme for young children produced by BBC Television . It was first transmitted in 1952, and repeated regularly for more than twenty years. A remake of the programme called Bill and Ben was aired in 2001. The original programme was part of a BBC children's television series titled Watch with Mother , featuring a different programme each weekday, most of them involving string puppets. Flower Pot Men features
184-590: A chemical substance used in religious, shamanic , or spiritual contexts – in the Indian subcontinent since the Vedic period . The earliest known reports regarding the sacred status of cannabis in the Indian subcontinent come from the Atharva Veda , estimated to have been composed sometime around 1400 BCE. The Hindu god Shiva is described as a cannabis user, known as the "Lord of bhang ". In modern culture,
276-472: A screening test in the field, but it cannot definitively confirm the presence of cannabis, as a large range of substances have been shown to give false positives. Researchers at John Jay College of Criminal Justice reported that dietary zinc supplements can mask the presence of THC and other drugs in urine. However, a 2013 study conducted by researchers at the University of Utah School of Medicine refute
368-542: A stroke and later maintained she did invent the characters used in the BBC series; this prompted lawyers, acting on behalf of the estate of the show's creator, Freda Lingstrom, to threaten Brabban with litigation if she appeared on television to propagate this claim. The show was the basis for a comic strip of the same name in the children's magazine Robin . The short lived one-hit wonder group, The Flower Pot Men , known for their 1967 song " Let's Go to San Francisco ", named
460-451: A vaporizer , consuming THC in pill form, or consuming cannabis foods . There is concern that cannabis may contribute to cardiovascular disease, but as of 2018 , evidence of this relationship was unclear. Research in these events is complicated because cannabis is often used in conjunction with tobacco, and drugs such as alcohol and cocaine that are known to have cardiovascular risk factors. Smoking cannabis has also been shown to increase
552-520: A Bill and Ben to the BBC in the 1950s; but other than their names, they bore no resemblance to the Flower Pot Men . Brabban's stories were broadcast on the radio programme Listen with Mother in 1951; the Bill and Ben of the Flower Pot Men were first seen on the television programme Watch with Mother in 1952. Both programmes were produced by Freda Lingstrom. During her later life Brabban suffered
644-518: A British television set. The service was reaching an estimated 25,000–40,000 homes before the outbreak of World War II which caused the BBC Television service to be suspended on 1 September 1939 with little warning. On 1 September 1939, the station went off the air; the government was concerned that the VHF transmissions would act as a beacon to enemy aircraft homing in on London. Also, many of
736-415: A causal relationship between cannabis use and chronic obstructive pulmonary disease . Short-term use of cannabis is associated with bronchodilation . Other side effects of cannabis use include cannabinoid hyperemesis syndrome (CHS), a condition which involves recurrent nausea, cramping abdominal pain, and vomiting. Cannabis smoke contains thousands of organic and inorganic chemical compounds. This tar
828-641: A conclusion. Cannabis use is associated with increased risk of anxiety disorders, although causality has not been established. A review in 2019 found that research was insufficient to determine the safety and efficacy of using cannabis to treat schizophrenia, psychosis, or other mental disorders . Another found that cannabis during adolescence was associated with an increased risk of developing depression and suicidal behavior later in life, while finding no effect on anxiety. Heavy, long-term exposure to marijuana may have physical, mental, behavioral and social health consequences. It may be "associated with diseases of
920-426: A decrease in short-term memory, dry mouth, impaired motor skills, reddening of the eyes, dizziness, feeling tired and vomiting. Some users may experience an episode of acute psychosis , which usually abates after six hours, but in rare instances, heavy users may find the symptoms continuing for many days. Legalization has increased the rates at which children are exposed to cannabis, particularly from edibles. While
1012-458: A drug use testing program or a forensic investigation of a traffic or other criminal offense. The concentrations obtained from such analyses can often be helpful in distinguishing active use from passive exposure, elapsed time since use, and extent or duration of use. These tests cannot, however, distinguish authorized cannabis smoking for medical purposes from unauthorized recreational smoking. Commercial cannabinoid immunoassays , often employed as
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#17328008531521104-611: A drug. Emergency room (ER) admissions associated with cannabis use rose significantly from 2012 to 2016; adolescents from age 12–17 had the highest risk. At one Colorado medical center following legalization, approximately two percent of ER admissions were classified as cannabis users. The symptoms of one quarter of these users were partially attributed to cannabis (a total of 2567 out of 449,031 patients); other drugs were sometimes involved. Of these cannabis admissions, one quarter were for acute psychiatric effects , primarily suicidal ideation , depression, and anxiety. An additional third of
1196-476: A faintly mysterious character made out of potatoes, Dan the Potato Man. Typically, while the "man who worked in the garden" would be away having his dinner, the two flower pot men, Bill and Ben, would emerge from their pots. After a minor adventure, a slight mishap would occur, for which someone would then take the blame: "Which of these two flowerpot men, was it Bill or was it Ben?" the narrator would trill in
1288-478: A limited number of territories, including Canada, Belgium , Australia, the Netherlands , New Zealand, Spain, and many U.S. states . This usage generally requires a prescription, and distribution is usually done within a framework defined by local laws. According to DEA Chief Administrative Law Judge, Francis Young, "cannabis is one of the safest therapeutically active substances known to man". Being under
1380-523: A longer period of abstinence was associated with smaller magnitudes of impairment, both retrospective and prospective memory were impaired in cannabis users. The authors concluded that some, but not all, of the deficits associated with cannabis use were reversible. A 2012 meta-analysis found that deficits in most domains of cognition persisted beyond the acute period of intoxication, but was not evident in studies where subjects were abstinent for more than 25 days. Few high quality studies have been performed on
1472-520: A new division called BBC Studios and the remaining parts of television (channels and genre commissioning, BBC Sport and BBC iPlayer) being renamed BBC Content . The BBC operates several television networks, television stations (although there is generally very little distinction between the two terms in the UK), and related programming services in the United Kingdom. As well as being a broadcaster,
1564-401: A quavering soprano; the culprit would then confess, before the gardener's footsteps would be heard coming up the garden path; the flower pot men then would vanish into their pots and the "Goodbye" screen would appear. The final punch-line was, "..and I think the little house knew something about it; don't you?". According to her adopted daughter Alison Gassier, Freda Lingstrom got the idea for
1656-466: A range of programmes intended to be eclectic and diverse (although if a programme has high audience ratings it is often eventually repositioned to BBC One). The different remit of BBC2 allowed its first controller, David Attenborough to commission the first heavyweight documentaries and documentary series such as Civilisation , The Ascent of Man and Horizon . Attenborough was later granted sabbatical leave from his job as Controller to work with
1748-538: A record 44% of the US population has tried marijuana in their lifetime, an increase from 38% in 2013 and 33% in 1985. Marijuana use in the United States is three times above the global average, but in line with other Western democracies. Forty-four percent of American 12th graders have tried the drug at least once, and the typical age of first-use is 16, similar to the typical age of first-use for alcohol but lower than
1840-470: A result, the BBC Television division is now known internally as BBC Content and "BBC Television" as an entity has ceased to exist. On 8 December 2020, Moore announced a new leadership structure for BBC Content taking effect in April 2021, which will prioritise iPlayer in order to compete with commercial streaming services. The role of Controller for BBC One, Two, and Four will be scrapped, in favour of giving
1932-626: A single networked news channel, but there are opt-outs for both the domestic and international versions. The BBC's wholly owned commercial subsidiary, BBC Studios , also operates several international television channels under BBC branding: The BBC also owns the following: BBC Japan was a general entertainment channel, which operated between December 2004 and April 2006. It ceased operations after its Japanese distributor folded. Marijuana Cannabis ( / ˈ k æ n ə b ɪ s / ), commonly known as marijuana ( / ˌ m æ r ə ˈ w ɑː n ə / ), weed , and pot , among other names ,
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#17328008531522024-479: A vertically scanned image of 30 lines, which is just enough resolution for a close-up of one person, and a bandwidth low enough to use existing radio transmitters. The simultaneous transmission of sound and pictures was achieved on 30 March 1930, by using the BBC's new twin transmitter at Brookmans Park . By late 1930, thirty minutes of morning programmes were broadcast from Monday to Friday, and thirty minutes at midnight on Tuesdays and Fridays after BBC radio went off
2116-835: Is a non-chemically uniform drug from the cannabis plant. Native to Central or South Asia, the cannabis plant has been used as a drug for both recreational and entheogenic purposes and in various traditional medicines for centuries. Tetrahydrocannabinol (THC) is the main psychoactive component of cannabis, which is one of the 483 known compounds in the plant, including at least 65 other cannabinoids , such as cannabidiol (CBD). Cannabis can be used by smoking , vaporizing , within food , or as an extract . Cannabis has various mental and physical effects , which include euphoria , altered states of mind and sense of time , difficulty concentrating, impaired short-term memory , impaired body movement (balance and fine psychomotor control), relaxation, and an increase in appetite . Onset of effects
2208-457: Is associated with cumulative cannabis exposure, and is reversed after one month of abstinence. There is limited evidence that chronic cannabis use can reduce levels of glutamate metabolites in the human brain. About 9% of those who experiment with marijuana eventually become dependent according to DSM-IV (1994) criteria. A 2013 review estimates daily use is associated with a 10–20% rate of dependence. The highest risk of cannabis dependence
2300-526: Is associated with heavy cannabis use, although the relationship is inconsistent and weaker than for tobacco and other substances. The direction of cause and effect , however, is unclear. The long-term effects of cannabis are not clear. There are concerns surrounding memory and cognition problems , risk of addiction, and the risk of schizophrenia in young people. Although global abnormalities in white matter and grey matter are not consistently associated with cannabis use, reduced hippocampal volume
2392-539: Is by far the most widely used illicit substance, with the highest use among adults (as of 2018 ) in Zambia , the United States , Canada , and Nigeria . Between 1973 and 1978, eleven states decriminalized marijuana. In 2001, Nevada reduced marijuana possession to a misdemeanor and since 2012, several other states have decriminalized and even legalized marijuana. In 2018, surveys indicated that almost half of
2484-459: Is chemically similar to that found in tobacco smoke, and over fifty known carcinogens have been identified in cannabis smoke, including; nitrosamines, reactive aldehydes, and polycyclic aromatic hydrocarbons , including benz[a]pyrene. Cannabis smoke is also inhaled more deeply than tobacco smoke. As of 2015 , there is no consensus regarding whether cannabis smoking is associated with an increased risk of cancer. Light and moderate use of cannabis
2576-436: Is consistently found. Amygdala abnormalities are sometimes reported, although findings are inconsistent. Cannabis use is associated with increased recruitment of task-related areas, such as the dorsolateral prefrontal cortex , which is thought to reflect compensatory activity due to reduced processing efficiency. Cannabis use is also associated with downregulation of CB 1 receptors. The magnitude of down regulation
2668-408: Is felt within minutes when smoked, but may take up to 90 minutes when eaten (as orally consumed drugs must be digested and absorbed). The effects last for two to six hours, depending on the amount used. At high doses, mental effects can include anxiety , delusions (including ideas of reference ), hallucinations , panic , paranoia , and psychosis . There is a strong relation between cannabis use and
2760-447: Is formally known as acute cannabis-associated psychotic symptoms (CAPS). At an epidemiological level, a dose–response relationship exists between cannabis use and increased risk of psychosis and earlier onset of psychosis. Although the epidemiological association is robust, evidence to prove a causal relationship is lacking. Cannabis may also increase the risk of depression, but insufficient research has been performed to draw
2852-641: Is found in those with a history of poor academic achievement, deviant behavior in childhood and adolescence, rebelliousness, poor parental relationships, or a parental history of drug and alcohol problems. Of daily users, about 50% experience withdrawal upon cessation of use (i.e. are dependent), characterized by sleep problems, irritability, dysphoria, and craving. Cannabis withdrawal is less severe than withdrawal from alcohol. According to DSM-V criteria, 9% of those who are exposed to cannabis develop cannabis use disorder, compared to 20% for cocaine , 23% for alcohol and 68% for nicotine . Cannabis use disorder in
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2944-404: Is insufficient for drawing conclusions about safety or efficacy. There is evidence supporting the use of cannabis or its derivatives in the treatment of chemotherapy-induced nausea and vomiting, neuropathic pain, and multiple sclerosis. Lower levels of evidence support its use for AIDS wasting syndrome , epilepsy, rheumatoid arthritis, and glaucoma. The medical use of cannabis is legal only in
3036-543: Is legalized only in the Australian Capital Territory . Cannabis is a Scythian word. The ancient Greeks learned of the use of cannabis by observing Scythian funerals, during which cannabis was consumed. In Akkadian , cannabis was known as qunubu ( 𐎯𐎫𐎠𐎭𐏂 ). The word was adopted in to the Hebrew as qaneh bosem ( קָנֶה בֹּשׂם ). Medical cannabis, or medical marijuana, refers to
3128-409: Is mostly used recreationally or as a medicinal drug, although it may also be used for spiritual purposes. In 2013, between 128 and 232 million people used cannabis (2.7% to 4.9% of the global population between the ages of 15 and 65). It is the most commonly used largely-illegal drug in the world, with the highest use among adults in Zambia , the United States , Canada , and Nigeria . Since the 1970s,
3220-585: Is not believed to increase risk of lung or upper airway cancer. Evidence for causing these cancers is mixed concerning heavy, long-term use. In general there are far lower risks of pulmonary complications for regular cannabis smokers when compared with those of tobacco. A 2015 review found an association between cannabis use and the development of testicular germ cell tumors (TGCTs), particularly non- seminoma TGCTs. Another 2015 meta-analysis found no association between lifetime cannabis use and risk of head or neck cancer. Combustion products are not present when using
3312-608: Is split up into fifteen regions (such as South West and East), which exist mainly to produce local news programming, but also occasionally opt out of the network to show programmes of local importance (such as major local events). The other nations of the United Kingdom (Wales, Scotland and Northern Ireland) have been granted more autonomy from the English network; for example, programmes are mostly introduced by local announcers, rather than by those in London. BBC One and BBC Two schedules in
3404-575: The BBC Studios Natural History Unit which had existed since the 1950s. This unit is now famed throughout the world for producing high quality programmes with Attenborough such as Life on Earth , The Private Life of Plants , The Blue Planet , The Life of Mammals , Planet Earth and Frozen Planet . National and regional variations also occur within the BBC One and BBC Two schedules. England's BBC One output
3496-525: The Flower Pot Men , including in the initial versions of two obituaries of Brabban, published in The Independent and BBC's in-house magazine Ariel respectively. The confusion also affected the BBC panel show QI , where host Stephen Fry in the 2004 episode Bills mistakenly claimed Brabban had named the Flower Pot Men characters after her younger brothers. All three sources later corrected their statements. Brabban sold three stories about
3588-465: The Sky Digital platform, such as Scottish Premier League and Scottish Cup football , while on other platforms such broadcasts were not disrupted. Later, when rights contracts were renewed, this problem was resolved. The BBC Television department headed by Jana Bennett was absorbed into a new, much larger group; BBC Vision, in late 2006. The new group was part of larger restructuring within
3680-415: The μ- and δ-opioid receptors . THC also potentiates the effects of the glycine receptors . It is unknown if or how these actions contribute to the effects of cannabis. The high lipid-solubility of cannabinoids results in their persisting in the body for long periods of time. Even after a single administration of THC, detectable levels of THC can be found in the body for weeks or longer (depending on
3772-460: The 20th century. In 2013, Uruguay became the first country to legalize recreational use of cannabis. Other countries to do so are Canada, Georgia , Germany , Luxembourg , Malta , South Africa , and Thailand . In the U.S., the recreational use of cannabis is legalized in 24 states , 3 territories, and the District of Columbia , though the drug remains federally illegal . In Australia , it
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3864-557: The BBC announced plans to merge BBC News (for UK audiences) and BBC World News (for international audiences) as one international news network, under the name BBC News, covering news from both the UK and around the world. The merger took effect in April 2023. The BBC domestic television channels do not broadcast advertisements; they are instead funded by a television licence fee which TV viewers are required to pay annually. This includes viewers who watch real-time streams or catch up services of
3956-530: The BBC announced that from the end of May 2003 (subsequently deferred to 14 July) it intended to transmit all eight of its domestic television channels (including the 15 regional variations of BBC1) unencrypted from the Astra 2D satellite. This move was estimated to save the BBC £85 million over the next five years. While the "footprint" of the Astra 2D satellite was smaller than that of Astra 2A , from which it
4048-461: The BBC with the onset of new media outlets and technology. In 2008, the BBC began experimenting with live streaming of certain channels in the UK, and in November 2008, all standard BBC television channels were made available to watch online via BBC iPlayer . When Tony Hall became Director General in April 2013, he reverted the division to its original name of BBC Television. As Television it
4140-607: The BBC's channels online or via their mobile phone. The BBC's international television channels are funded by advertisements and subscription. These channels are also available outside the UK in neighbouring countries e.g. Belgium, the Netherlands and the Republic of Ireland. For BBC News, CBBC and Cbeebies see national & international channels On 3 April 2023, the BBC merged the BBC News and BBC World News channels into
4232-421: The BBC's genre heads autonomy in commissioning programmes without the requirement for a channel controller to provide secondary approval. A team of "portfolio editors" will select from these commissions for carriage on BBC television channels and iPlayer, with iPlayer Controller Dan McGolpin will becoming Portfolio Director for iPlayer and channels. McGolpin and the genre heads will report to Moore. In July 2022,
4324-647: The BBC. Programmes have also been imported mainly from English-speaking countries: notable—though no longer shown—examples include The Simpsons from the United States and Neighbours from Australia. Programming from countries outside the English-speaking world consisted of feature films, shown in the original language with subtitles instead of being dubbed , with dubbing only used for cartoons and children's programmes. These included programmes from Eastern Europe , including The Singing Ringing Tree from East Germany , although voice-over translation
4416-510: The CB 2 receptor is found primarily in peripheral tissues, but is also expressed in neuroglial cells. THC appears to alter mood and cognition through its agonist actions on the CB 1 receptors, which inhibit a secondary messenger system ( adenylate cyclase ) in a dose-dependent manner. Via CB 1 receptor activation, THC indirectly increases dopamine release and produces psychotropic effects. CBD also acts as an allosteric modulator of
4508-493: The DSM-V involves a combination of DSM-IV criteria for cannabis abuse and dependence, plus the addition of craving, without the criterion related to legal troubles. From a clinical perspective, two significant school of thought exists for psychiatric conditions associated with cannabis (or cannabinoids) use: transient, non-persistent psychotic reactions, and longer-lasting, persistent disorders that resemble schizophrenia. The former
4600-649: The Fat , and BBC Northern Ireland's talk show Patrick Kielty Almost Live . During the 1980s, the BBC came under pressure to commission more programmes from independent British production companies, and following the Broadcasting Act 1990 it was legally required to source 25% of its output from such companies by the terms of the Act. This eventually led to the creation of the "WoCC" (Window of Creative Competition) for independent production companies to pitch programmes to
4692-511: The air. Baird's broadcasts via the BBC continued until June 1932. The BBC began its own regular television programming from the basement of Broadcasting House , London, on 22 August 1932. The studio moved to larger quarters in 16 Portland Place , London, in February 1934, and continued broadcasting the 30-line images, carried by telephone line to the medium wave transmitter at Brookmans Park , until 11 September 1935, by which time advances in
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#17328008531524784-549: The all-electronic 405-line television system made electromechanical broadcasts and systems obsolete. Following a series of test transmissions and special broadcasts that began in August 1936, the BBC Television Service officially launched on 2 November 1936 from a converted wing of Alexandra Palace in London. "Ally Pally" housed two studios, various scenery stores, make-up areas, dressing rooms, offices, and
4876-423: The amount administered and the sensitivity of the assessment method). Investigators have suggested that this is an important factor in marijuana's effects, perhaps because cannabinoids may accumulate in the body, particularly in the lipid membranes of neurons. The main psychoactive component of cannabis is tetrahydrocannabinol (THC), which is formed via decarboxylation of tetrahydrocannabinolic acid (THCA) from
4968-406: The application of heat. Raw leaf is not psychoactive because the cannabinoids are in the form of carboxylic acids . THC is one of the 483 known compounds in the plant, including at least 65 other cannabinoids, such as cannabidiol (CBD). THC and its major (inactive) metabolite, THC-COOH , can be measured in blood, urine, hair, oral fluid or sweat using chromatographic techniques as part of
5060-483: The cases were for gastrointestinal issues including cannabinoid hyperemesis syndrome . According to the United States Department of Health and Human Services, there were 455,000 emergency room visits associated with cannabis use in 2011. These statistics include visits in which the patient was treated for a condition induced by or related to recent cannabis use. The drug use must be "implicated" in
5152-726: The corporation also produces a large number of its own outsourcing programmes and thereby ranks as one of the world's largest television production companies. John Logie Baird set up the Baird Television Development Company in 1926; on 30 September 1929, he made the first experimental television broadcast for the BBC from its studio in Long Acre in the Covent Garden area of London via the BBC's London radio transmitter propagating an analog signal . Baird used his electromechanical system with
5244-423: The effects of cannabis is usually referred to as being "high". Cannabis consumption has both psychoactive and physiological effects. The "high" experience can vary widely, based (among other things) on the user's prior experience with cannabis, and the type of cannabis consumed. When smoking cannabis, a euphoriant effect can occur within minutes of smoking. Aside from a subjective change in perception and mood,
5336-418: The emergency department visit, but does not need to be the direct cause of the visit. Most of the illicit drug emergency room visits involved multiple drugs. In 129,000 cases, cannabis was the only implicated drug. THC is a weak partial agonist at CB 1 receptors , while CBD is a CB 1 receptor antagonist. The CB 1 receptor is found primarily in the brain as well as in some peripheral tissues, and
5428-581: The existing VHF 405-line television system . On 1 July 1967, BBC Two became the first television channel in Europe to broadcast regularly in colour, using the West German PAL system that was used for decades until it was gradually superseded by digital systems. ( BBC One and ITV began 625-line colour broadcasts simultaneously on 15 November 1969). Unlike other terrestrial channels, BBC Two does not have soap opera or standard news programming, but
5520-666: The first ever, on a dedicated TV channel – was "Opening of the BBC Television Service" at 15:00. The first major outside broadcast was the coronation of George VI and Elizabeth in May 1937. The two systems were to run on a trial basis for six months; early television sets supported both resolutions. However, the Baird system, which used a mechanical camera for filmed programming and Farnsworth image dissector cameras for live programming, proved too cumbersome and visually inferior, and ended with closedown (at 22:00) on Saturday 30 January 1937. It
5612-404: The first-use age for other illicit drugs. A 2022 Gallup poll concluded Americans are smoking more marijuana than cigarettes for the first time. Acute negative effects may include anxiety and panic, impaired attention and memory, an increased risk of psychotic symptoms, the inability to think clearly, and an increased risk of accidents. Cannabis impairs a person's driving ability, and THC
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#17328008531525704-532: The group after the show, although it caused controversies with people suggesting it may have had something to do with marijuana . BBC Television BBC Television is a service of the BBC . The corporation has operated a public broadcast television service in the United Kingdom , under the terms of a royal charter , since 1927. It produced television programmes from its own studios from 1932, although
5796-417: The initial screening method when testing physiological specimens for marijuana presence, have different degrees of cross-reactivity with THC and its metabolites. Urine contains predominantly THC-COOH, while hair, oral fluid and sweat contain primarily THC. Blood may contain both substances, with the relative amounts dependent on the recency and extent of usage. The Duquenois–Levine test is commonly used as
5888-593: The language on select words such as "Slogalog" (Slowcoach the Tortoise) and "Haddap" (Hello). The puppets were made to look as if they were made from flowerpots. Cupcake holders were used for their hats, which sometimes caught onto their strings. Peter particularly praised Audrey's puppetry for being very precise. The scripts were written in English, with Peter translating them into Oddle-Poddle. Retired headteacher Hilda Brabban created an unrelated set of characters also named Bill and Ben. These have been confused with
5980-569: The latter substances. Cannabinoid hyperemesis syndrome (CHS) is a severe condition seen in some chronic cannabis users where they have repeated bouts of uncontrollable vomiting for 24–48 hours. Four cases of death have been reported as a result of CHS. A limited number of studies have examined the effects of cannabis smoking on the respiratory system. Chronic heavy marijuana smoking is associated with respiratory infections , coughing, production of sputum, wheezing, and other symptoms of chronic bronchitis. The available evidence does not support
6072-535: The liver (particularly with co-existing hepatitis C ), lungs, heart, and vasculature". A 2014 review found that while cannabis use may be less harmful than alcohol use, the recommendation to substitute it for problematic drinking was premature without further study. Various surveys conducted between 2015 and 2019 found that many users of cannabis substitute it for prescription drugs (including opioids), alcohol, and tobacco; most of those who used it in place of alcohol or tobacco either reduced or stopped their intake of
6164-579: The long-term effects of cannabis on cognition, and the results were generally inconsistent. Furthermore, effect sizes of significant findings were generally small. One review concluded that, although most cognitive faculties were unimpaired by cannabis use, residual deficits occurred in executive functions . Impairments in executive functioning are most consistently found in older populations, which may reflect heavier cannabis exposure, or developmental effects associated with adolescent cannabis use. One review found three prospective cohort studies that examined
6256-817: The most common short-term physical and neurological effects include increased heart rate, increased appetite, impairment of short-term and working memory, and impairment of psychomotor coordination . Additional desired effects from consuming cannabis include relaxation, a general alteration of conscious perception , increased awareness of sensation, increased libido and distortions in the perception of time and space. At higher doses, effects can include altered body image , auditory or visual illusions , pseudohallucinations and ataxia from selective impairment of polysynaptic reflexes . In some cases, cannabis can lead to dissociative states such as depersonalization and derealization . Cannabis has held sacred status in several religions and has served as an entheogen –
6348-476: The newly acquired Lime Grove Studios . Postwar broadcast coverage was extended to Birmingham in 1949, with the opening of the Sutton Coldfield transmitting station , and by the mid-1950s most of the country was covered, transmitting a 405-line interlaced video image on VHF . BBC TV was split into BBC1 and BBC2 in 1964, with BBC2 having a remit to provide more niche programming. The channel
6440-529: The other UK nations can vary immensely from BBC One and BBC Two in England. Programmes, such as the politically fuelled Give My Head Peace (produced by BBC Northern Ireland) and the soap opera River City (produced by BBC Scotland), have been created specifically to cater for some viewers in their respective nations. BBC Scotland produces daily programmes for its Gaelic -speaking viewers, including current affairs, political and children's programming such as
6532-490: The people in the United States had tried marijuana, 16% had used it in the past year, and 11% had used it in the past month. In 2014, surveys said daily marijuana use amongst US college students had reached its highest level since records began in 1980, rising from 3.5% in 2007 to 5.9% in 2014 and had surpassed daily cigarette use. In the US, men are over twice as likely to use marijuana as women, and 18–29-year-olds are six times more likely to use as over-65-year-olds. In 2015,
6624-482: The popular Eòrpa and Dè a-nis? . BBC Wales also produces a large amount of Welsh language programming for S4C , particularly news, sport and other programmes, especially the soap opera Pobol y Cwm ('People of the Valley') briefly shown on BBC2 across the UK with subtitles in the 1990s. The UK nations also produce a number of programmes that are shown across the UK, such as BBC Scotland's comedy series Chewin'
6716-520: The potency of illicit cannabis has increased, with THC levels rising and CBD levels dropping. Cannabis plants have been grown since at least the 3rd millennium BCE and there is evidence of it being smoked for its psychoactive effects around 500 BCE in the Pamir Mountains , Central Asia. Since the 14th century, cannabis has been subject to legal restrictions. The possession, use, and cultivation of cannabis has been illegal in most countries since
6808-526: The relationship between self-reported cannabis use and intelligence quotient (IQ). The study following the largest number of heavy cannabis users reported that IQ declined between ages 7–13 and age 38. Poorer school performance and increased incidence of leaving school early were both associated with cannabis use, although a causal relationship was not established. Cannabis users demonstrated increased activity in task-related brain regions, consistent with reduced processing efficiency. A reduced quality of life
6900-459: The risk of myocardial infarction by 4.8 times for the 60 minutes after consumption. There is preliminary evidence that cannabis interferes with the anticoagulant properties of prescription drugs used for treating blood clots . As of 2019 , the mechanisms for the anti-inflammatory and possible pain relieving effects of cannabis were not defined, and there were no governmental regulatory approvals or clinical practices for use of cannabis as
6992-537: The risk of psychosis, though the direction of causality is debated. Physical effects include increased heart rate, difficulty breathing, nausea, and behavioral problems in children whose mothers used cannabis during pregnancy; short-term side effects may also include dry mouth and red eyes. Long-term adverse effects may include addiction, decreased mental ability in those who started regular use as adolescents, chronic coughing, susceptibility to respiratory infections , and cannabinoid hyperemesis syndrome . Cannabis
7084-426: The show after spending time in her woodshed with a flowerpot. She assembled the production crew, which consisted mainly of those who had worked on her previous show Andy Pandy : her associate Maria Bird , puppeteers Audrey Atterbury and Molly Gibson, and opera singer Gladys Whitred. The only new member was Peter Hawkins , who voiced both Bill and Ben, inventing their gibberish language, named Oddle-Poddle. He based
7176-466: The spiritual use of cannabis has been spread by the disciples of the Rastafari movement who use cannabis as a sacrament and as an aid to meditation. Many different ways to consume cannabis involve heat to decarboxylate THCA into THC; common modes include: In 2013, between 128 and 232 million people used cannabis (2.7% to 4.9% of the global population between the ages of 15 and 65). Cannabis
7268-434: The start of its regular service of television broadcasts is dated to 2 November 1936. The BBC's domestic television channels have no commercial advertising and collectively they accounted for more than 30% of all UK viewing in 2013. The services are funded by a television licence . As a result of the 2016 Licence Fee settlement, the BBC Television division was split, with in-house television production being separated into
7360-402: The story of Bill and Ben, two men made of terracotta flower pots who live at the bottom of an English garden. A third character, Little Weed, of indeterminate species resembling either a sunflower or a dandelion with a smiling face, is shown growing between two large flowerpots. The three are also sometimes visited by a tortoise called Slowcoach and, in one particular episode, the trio meet
7452-422: The strain it can place on the cardiovascular system . Some deaths have also been attributed to cannabinoid hyperemesis syndrome . There is an association between cannabis use and suicide, particularly in younger users. A 16-month survey of Oregon and Alaska emergency departments found a report of the death of an adult who had been admitted for acute cannabis toxicity. A 2015 meta-analysis found that, although
7544-546: The television service's technical staff and engineers would be needed for the war effort, in particular on the radar programme. The last programme transmitted was a Mickey Mouse cartoon, Mickey's Gala Premier (1933), which was followed by test transmissions; this account refuted the popular memory according to which broadcasting was suspended before the end of the cartoon. According to figures from Britain's Radio Manufacturers Association, 18,999 television sets had been manufactured from 1936 to September 1939, when production
7636-423: The toxicity and lethality of THC in children is not known, they are at risk for encephalopathy, hypotension, respiratory depression severe enough to require ventilation, somnolence and coma. There is no clear evidence for a link between cannabis use and deaths from cardiovascular disease, but a 2019 review noted that it may be an under-reported, contributory factor or direct cause in cases of sudden death , due to
7728-515: The transmitter itself, which then broadcast on the VHF band. BBC television initially used two systems on alternate weeks: the 240-line Baird intermediate film system and the Marconi-EMI 405-line television system . The use of both formats made the BBC's service the world's first regular high-definition television service; it broadcast from Monday to Saturday between 15:00 and 16:00, and 21:00 and 22:00. The first programme broadcast – and thus
7820-635: The use of cannabis to treat disease or improve symptoms; however, there is no single agreed-upon definition (e.g., cannabinoids derived from cannabis and synthetic cannabinoids are also used). The rigorous scientific study of cannabis as a medicine has been hampered by production restrictions and by the fact that it is classified as an illegal drug by many governments. There is some evidence suggesting cannabis can be used to reduce nausea and vomiting during chemotherapy , to improve appetite in people with HIV/AIDS , or to treat chronic pain and muscle spasms . Evidence for its use for other medical applications
7912-637: Was advertised in Radio Times for two weeks later but the decision to end the Baird system was made too late for it be changed in the printed Radio Times . Initially, the station's range was officially a 40 kilometres radius of the Alexandra Palace transmitter—in practice, however, transmissions could be picked up a good deal further away, and on one occasion in 1938 were picked up by engineers at RCA in New York, who were experimenting with
8004-479: Was due to launch on 20 April 1964, but this was postponed after a fire at Battersea Power Station resulted in most of west London, including Television Centre , losing power. A videotape made on the opening night was rediscovered in 2003 by a BBC technician. The launch went ahead the following night, beginning with host Denis Tuohy sarcastically blowing out a candle. BBC2 was the first British channel to use UHF and 625-line pictures, giving higher definition than
8096-423: Was halted by the war. BBC Television returned on 7 June 1946 at 15:00. Jasmine Bligh , one of the original announcers, made the first announcement, saying, 'Good afternoon everybody. How are you? Do you remember me, Jasmine Bligh?'. The Mickey Mouse cartoon of 1939 was repeated twenty minutes later. Alexandra Palace was the home base of the channel until the early 1950s, when the majority of production moved into
8188-429: Was previously broadcast encrypted, it meant that viewers with appropriate equipment were able to receive BBC channels "free-to-air" over much of Western Europe. Consequently, some rights concerns have needed to be resolved with programme providers such as Hollywood studios and sporting organisations, which have expressed concern about the unencrypted signal leaking out. This led to some broadcasts being made unavailable on
8280-552: Was responsible for the commissioning, scheduling and broadcasting of all programming on the BBC's television channels and online, as well as producing content for broadcast. Following the 2016 Licence Fee settlement, BBC Television was split into two divisions, with in-house television production being separated into a new division called BBC Studios controlled by Mark Linsey and the remaining parts of television (channels and genre commissioning, BBC Sport and BBC iPlayer) being renamed as BBC Content, controlled by Charlotte Moore . As
8372-440: Was the illicit drug most frequently found in the blood of drivers who have been involved in vehicle crashes. Those with THC in their system are from three to seven times more likely to be the cause of the accident than those who had not used either cannabis or alcohol, although its role is not necessarily causal because THC stays in the bloodstream for days to weeks after intoxication. Some immediate undesired side effects include
8464-448: Was used instead of dubbing for budgetary reasons. Ceefax , the first teletext service, launched on 23 September 1974. This service allowed BBC viewers to view textual information such as the latest news on their television. CEEFAX did not make a full transition to digital television, instead being gradually replaced, from late onwards, by the new interactive BBCi service before being fully closed down on 22 October 2012. In March 2003
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