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A comedo is a clogged hair follicle (pore) in the skin. Keratin (skin debris) combines with oil to block the follicle. A comedo can be open ( blackhead ) or closed by skin ( whitehead ) and occur with or without acne . The word comedo comes from Latin comedere 'to eat up' and was historically used to describe parasitic worms; in modern medical terminology, it is used to suggest the worm-like appearance of the expressed material.

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65-409: The chronic inflammatory condition that usually includes comedones, inflamed papules, and pustules ( pimples ) is called acne. Infection causes inflammation and the development of pus . Whether a skin condition classifies as acne depends on the number of comedones and infection. Comedones should not be confused with sebaceous filaments . Comedo-type ductal carcinoma in situ (DCIS) is not related to

130-414: A pustule or papule . Pimples can be treated by acne medications, antibiotics , and anti-inflammatories prescribed by a physician, or various over the counter remedies purchased at a pharmacy. Sebaceous glands inside the pore of the skin produce sebum . When the outer layers of skin shed (a natural and continuous process, normally), dead skin and oily sebum left behind may bond together and form

195-444: A 2003–04 report states that India had 432,625 registered medical practitioners, 13,925 dispensaries, 2,253 hospitals and a bed strength of 43,803. 209 undergraduate teaching institutions and 16 postgraduate institutions. In 2012, it was reported that insurance companies covered expenses for ayurvedic treatments in case of conditions such as spinal cord disorders, bone disorder, arthritis and cancer. Such claims constituted 5–10 percent of

260-591: A blockage of the sebaceous gland at the base of the skin. This is most common when the skin becomes thicker at puberty . The sebaceous gland continues to produce sebum, which builds up behind the blockage, allowing bacteria to grow in the area, including the species Staphylococcus aureus and Cutibacterium acnes , which causes inflammation and infection. Other causes of pimples include family history, stress , fluctuations in hormone levels, hair and skincare products, medication side effects , and un-diagnosed or underlying medical conditions. Pimples can be part of

325-411: A dermatologist using surgical instruments or cauterized with a device that uses light. The acne drug isotretinoin can cause severe flare-ups of macrocomedones, so dermatologists recommend removal before starting the drug and during treatment. Some research suggests that the common acne medications retinoids and azelaic acid are beneficial and do not cause increased pigmentation of the skin. If using

390-480: A designated sequence with the stated aim of restoring balance in the body through a process of purgation. Ayurveda is widely practiced in India and Nepal where public institutions offer formal study in the form of a Bachelor of Ayurvedic Medicine and Surgery (BAMS) degree. In certain parts of the world, the legal standing of practitioners is equivalent to that of conventional medicine. Several scholars have described

455-408: A mild allergy. Recently, nicotinamide (vitamin B 3 ), applied topically, has been shown to be more effective in treatment of pimples than antibiotics such as clindamycin . Nicotinamide is not an antibiotic and has no side effects typically associated with antibiotics. It has the added advantage of reducing skin hyperpigmentation which results in pimple scars. Severe acne usually indicates

520-442: A person who is thin, shy, excitable, has a pronounced Adam's apple , and enjoys esoteric knowledge is likely vata prakriti and therefore more susceptible to conditions such as flatulence, stuttering, and rheumatism. Deranged vata is also associated with certain mental disorders due to excited or excess vayu (gas), although the ayurvedic text Charaka Samhita also attributes "insanity" ( unmada ) to cold food and possession by

585-411: A report titled "The Health Workforce in India" which found that 31 percent of those who claimed to be doctors in India in 2001 were educated only up to the secondary school level and 57 percent went without any medical qualification. The WHO study found that the situation was worse in rural India with only 18.8 percent of doctors holding a medical qualification. Overall, the study revealed that nationally

650-427: A retinoid, sunscreen is recommended. Favre–Racouchot syndrome occurs in sun-damaged skin and includes open and closed comedones. Nevus comedonicus or comedo nevus is a benign hamartoma (birthmark) of the pilosebaceous unit around the oil-producing gland in the skin. It has widened open hair follicles with dark keratin plugs that resemble comedones, but they are not actually comedones. Dowling–Degos disease

715-495: A treatment for diarrhea. In the Bhaisajya Ratnavali it is named as an ingredient in an aphrodisiac. Ayurveda says that both oil and tar can be used to stop bleeding, and that traumatic bleeding can be stopped by four different methods: ligation of the blood vessel , cauterisation by heat, use of preparations to facilitate clotting , and use of preparations to constrict the blood vessels. Massage with oil

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780-433: A unique combination of the doshas which define this person's temperament and characteristics. In either case, it says that each person should modulate their behavior or environment to increase or decrease the doshas and maintain their natural state. Practitioners of ayurveda must determine an individual's bodily and mental dosha makeup, as certain prakriti are said to predispose one to particular diseases. For example,

845-690: A whole person with each element being able to influence the others. This holistic approach used during diagnosis and healing is a fundamental aspect of ayurveda. Another part of ayurvedic treatment says that there are channels ( srotas ) which transport fluids, and that the channels can be opened up by massage treatment using oils and Swedana (fomentation). Unhealthy, or blocked, channels are thought to cause disease. Ayurveda has eight ways to diagnose illness, called nadi (pulse), mootra (urine), mala (stool), jihva (tongue), shabda (speech), sparsha (touch), druk (vision), and aakruti (appearance). Ayurvedic practitioners approach diagnosis by using

910-406: A wide geographical area outside of India. Smith and Wujastyk further delineate that global ayurveda includes those primarily interested in the ayurveda pharmacopeia , and also the practitioners of New Age ayurveda (which may link ayurveda to yoga and Indian spirituality and/or emphasize preventative practice, mind body medicine, or Maharishi ayurveda ). Since the 1980s, ayurveda has also become

975-567: Is teratogenic , and requires strict prevention of pregnancy during its use. Expression, the manual bursting of pimples which have evolved into whiteheads with one's fingers (colloquially, "popping"), can allow bacteria to be introduced into the open wound this creates. This can result in infection and permanent scarring. Thus expression is generally recommended against by dermatologists and estheticians in favour of allowing pimples to run through their natural lifespans. Some dermatologists offer incision and drainage services to sterilely drain

1040-554: Is a Sattvic diet . Ayurveda follows the concept of Dinacharya , which says that natural cycles (waking, sleeping, working, meditation etc.) are important for health. Hygiene, including regular bathing, cleaning of teeth, oil pulling , tongue scraping , skin care, and eye washing, is also a central practice. The vast majority (90%) of ayurvedic remedies are plant based. Plant-based treatments in ayurveda may be derived from roots, leaves, fruits, bark, or seeds; some examples of plant-based substances include cardamom and cinnamon . In

1105-420: Is a genetic pigment disorder that includes comedo-like lesions and scars. Familial dyskeratotic comedones are a rare autosomal-dominant genetic condition, with keratotic (tough) papules and comedo-like lesions. Pimple A pimple or zit is a kind of comedo that results from excess sebum and dead skin cells getting trapped in the pores of the skin. In its aggravated state, it may evolve into

1170-611: Is called rasashastra . Ayurveda uses alcoholic beverages called Madya , which are said to adjust the doshas by increasing pitta and reducing vatta and kapha . Madya are classified by the raw material and fermentation process, and the categories include: sugar-based, fruit-based, cereal-based, cereal-based with herbs, fermentated with vinegar, and tonic wines. The intended outcomes can include causing purgation, improving digestion or taste, creating dryness, or loosening joints. Ayurvedic texts describe Madya as non-viscid and fast-acting, and say that it enters and cleans minute pores in

1235-457: Is commonly prescribed by ayurvedic practitioners. Oils are used in a number of ways, including regular consumption, anointing, smearing, head massage, application to affected areas, and oil pulling. Liquids may also be poured on the patient's forehead, a technique called shirodhara. According to ayurveda, panchakarma are techniques to eliminate toxic elements from the body . Panchakarma refers to five actions, which are meant to be performed in

1300-708: Is designed to do research on ayurveda. Many clinics in urban and rural areas are run by professionals who qualify from these institutes. As of 2013 , India had over 180 training centers that offered degrees in traditional ayurvedic medicine. To fight biopiracy and unethical patents, the government of India set up the Traditional Knowledge Digital Library in 2001 to serve as a repository for formulations from systems of Indian medicine, such as ayurveda, unani and siddha medicine. The formulations come from over 100 traditional ayurveda books. An Indian Academy of Sciences document quoting

1365-434: Is emphasized, and suppressing natural urges is considered unhealthy and claimed to lead to illness. For example, to suppress sneezing is said to potentially give rise to shoulder pain. However, people are also cautioned to stay within the limits of reasonable balance and measure when following nature's urges. For example, emphasis is placed on moderation of food intake, sleep, and sexual intercourse. According to ayurveda,

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1430-686: Is first mentioned in the Sarngadhara Samhita (1300–1400 CE), a book on pharmacy used in Rajasthan in Western India, as an ingredient of an aphrodisiac to delay male ejaculation. It is possible that opium was brought to India along with or before Muslim conquests . The book Yoga Ratnakara (1700–1800 CE, unknown author), which is popular in Maharashtra , uses opium in a herbal-mineral composition prescribed for diarrhea. In

1495-526: Is the oldest in the world. Ayurveda is a system of traditional medicine developed during antiquity and the medieval period, and as such is comparable to pre-modern Chinese and European systems of medicine . In the 1960s, ayurveda began to be advertised as alternative medicine in the Western world. Due to different laws and medical regulations around the globe, the expanding practice and commercialisation of ayurveda raised ethical and legal issues. Ayurveda

1560-459: Is unknown. A hair that does not emerge normally, an ingrown hair , can also block the pore and cause a bulge or lead to infection (causing inflammation and pus ). Genes may play a role in the chances of developing acne. Comedones may be more common in some ethnic groups. People of Latino and recent African descent may experience more inflammation in comedones, more comedonal acne, and earlier onset of inflammation. Comedones are associated with

1625-417: The Bhaisajya Ratnavali , opium and camphor are used for acute gastroenteritis. In this drug, the respiratory depressant action of opium is counteracted by the respiratory stimulant property of camphor. Later books have included the narcotic property for use as analgesic pain reliever. Cannabis indica is also mentioned in the ancient ayurveda books, and is first mentioned in the Sarngadhara Samhita as

1690-758: The Central Council of Indian Medicine (CCIM) was established under the Department of Ayurveda, Yoga and Naturopathy, Unani, Siddha medicine and Homoeopathy (AYUSH), Ministry of Health and Family Welfare , to monitor higher education in ayurveda in India. The Indian government supports research and teaching in ayurveda through many channels at both the national and state levels, and helps institutionalise traditional medicine so that it can be studied in major towns and cities. The state-sponsored Central Council for Research in Ayurvedic Sciences (CCRAS)

1755-460: The Mahavamsa , an ancient chronicle of Sinhalese royalty from the sixth century CE, King Pandukabhaya (reigned 437 BCE to 367 BCE) had lying-in-homes and ayurvedic hospitals (Sivikasotthi-Sala) built in various parts of the country. This is the earliest documented evidence available of institutions dedicated specifically to the care of the sick anywhere in the world. The hospital at Mihintale

1820-422: The doshas or tridosha , are vata (air, which some modern authors equate with the nervous system), pitta (bile, fire, equated by some with enzymes), and kapha (phlegm, or earth and water, equated by some with mucus). Contemporary critics assert that doshas are not real, but are a fictional concept. The humours ( doshas ) may also affect mental health. Each dosha has particular attributes and roles within

1885-435: The pilosebaceous unit , which includes a hair follicle and sebaceous gland . These units are mostly on the face, neck, upper chest, shoulders, and back. Excess keratin combined with sebum can plug the opening of the follicle. This small plug is called a microcomedo. Androgens increase sebum (oil) production. If sebum continues to build up behind the plug, it can enlarge and form a visible comedo. A comedo may be open to

1950-884: The 19th century, William Dymock and co-authors summarized hundreds of plant-derived medicines along with the uses, microscopic structure, chemical composition, toxicology, prevalent myths and stories, and relation to commerce in British India . Triphala , an herbal formulation of three fruits, Amalaki , Bibhitaki , and Haritaki , is one of the most commonly used Ayurvedic remedies. The herbs Withania somnifera (Ashwagandha) and Ocimum tenuiflorum (Tulsi) are also routinely used in ayurveda. Animal products used in ayurveda include milk, bones, and gallstones . In addition, fats are prescribed both for consumption and for external use. Consumption of minerals, including sulphur , arsenic , lead, copper sulfate and gold, are also prescribed. The addition of minerals to herbal medicine

2015-640: The Indian system of medicine or AYUSH (ayurveda, yoga and naturopathy, unani , siddha , and homeopathy) were used by about 3.5% of patients who were seeking outpatient care over a two-week reference period. In 1970, the Parliament of India passed the Indian Medical Central Council Act which aimed to standardise qualifications for ayurveda practitioners and provide accredited institutions for its study and research. In 1971,

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2080-656: The Sanskrit knowledge systems, ayurveda is assigned a place as a subsidiary Veda ( upaveda ). Some medicinal plant names from the Atharvaveda and other Vedas can be found in subsequent ayurveda literature. Some other school of thoughts considers 'ayurveda' as the ' Fifth Veda '. The earliest recorded theoretical statements about the canonical models of disease in ayurveda occur in the earliest Buddhist Canon . Ayurvedic practitioners regard physical existence, mental existence, and personality as three separate elements of

2145-477: The air ("blackhead") or closed by skin ("whitehead"). Being open to the air causes oxidation of the melanin pigment, which turns it black. Cutibacterium acnes is the suspected infectious agent in acne. It can proliferate in sebum and cause inflamed pustules (pimples) characteristic of acne. Nodules are inflamed, painful, deep bumps under the skin. Comedones that are 1 mm or larger are called macrocomedones. They are closed comedones and are more frequent on

2210-627: The bacteria eventually grew resistant to the antibiotics and the treatments became less and less effective. Also, antibiotics had more side effects than topical applications, such as stomach cramps and severe discoloration of teeth. Common antibiotics prescribed as of 2001 by dermatologists included doxycycline and minocycline. Isotretinoin is used primarily for severe cystic acne and acne that has not responded to other treatments. Many dermatologists also support its use for treatment of lesser degrees of acne that prove resistant to other treatments, or that produce physical or psychological scarring. It

2275-489: The beginning of the common era . Ayurveda has been adapted for Western consumption, notably by Baba Hari Dass in the 1970s and Maharishi ayurveda in the 1980s. Although some Ayurvedic treatments can help relieve the symptoms of cancer, there is no good evidence that the disease can be treated or cured through ayurveda. Some ayurvedic preparations have been found to contain lead , mercury , and arsenic , substances known to be harmful to humans . A 2008 study found

2340-404: The body and mind; the natural predominance of one or more doshas thus explains a person's physical constitution ( prakriti ) and personality. Ayurvedic tradition holds that imbalance among the bodily and mental doshas is a major etiologic component of disease. One ayurvedic view is that the doshas are balanced when they are equal to each other, while another view is that each human possesses

2405-425: The body. Purified opium is used in eight ayurvedic preparations and is said to balance the vata and kapha doshas and increase the pitta dosha . It is prescribed for diarrhea and dysentery, for increasing the sexual and muscular ability, and for affecting the brain. The sedative and pain-relieving properties of opium are considered in ayurveda. The use of opium is found in the ancient ayurvedic texts, and

2470-507: The contemporary Indian application of ayurvedic practice as being "biomedicalized" relative to the more "spiritualized" emphasis to practice found in variants in the West. Exposure to European developments in medicine from the nineteenth century onwards, through European colonization of India and the subsequent institutionalized support for European forms of medicine amongst European heritage settlers in India were challenging to ayurveda, with

2535-545: The country's health insurance claims. Maharashtra Andhashraddha Nirmoolan Samiti , an organisation dedicated to fighting superstition in India , considers ayurveda to be pseudoscience. On 9 November 2014, India formed the Ministry of AYUSH . National Ayurveda Day is also observed in India on the birth of Dhanvantari that is Dhanteras . In 2016, the World Health Organization (WHO) published

2600-702: The density of all doctors (mainstream, ayurvedic, homeopathic and unani) was 8 doctors per 10,000 people compared to 13 per 10,000 people in China. About 75% to 80% of the population of Nepal use ayurveda. As of 2009, ayurveda was considered to be the most common and popular form of medicine in Nepal. The Sri Lankan tradition of ayurveda is similar to the Indian tradition. Practitioners of ayurveda in Sri Lanka refer to Sanskrit texts which are common to both countries. However, they do differ in some aspects, particularly in

2665-541: The entire epistemology called into question. From the twentieth century, ayurveda became politically, conceptually, and commercially dominated by modern biomedicine , resulting in "modern ayurveda" and "global ayurveda". Modern ayurveda is geographically located in the Indian subcontinent and tends towards secularization through minimization of the magic and mythic aspects of ayurveda. Global ayurveda encompasses multiple forms of practice that developed through dispersal to

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2730-847: The establishment of the Mount Madonna Institute. He invited several notable ayurvedic teachers, including Vasant Lad, Sarita Shrestha, and Ram Harsh Singh . The ayurvedic practitioner Michael Tierra wrote that the "history of Ayurveda in North America will always owe a debt to the selfless contributions of Baba Hari Dass". In the United States, the practice of ayurveda is not licensed or regulated by any state. The National Center for Complementary and Integrative Health (NCCIH) stated that "Few well-designed clinical trials and systematic research reviews suggest that Ayurvedic approaches are effective". The NCCIH warned against

2795-414: The face should be washed with warm water or a topical cleanser and then dried. A regimen of keeping the affected skin area clean, plus the regular application of these topical medications is usually enough to keep acne under control, if not at bay altogether. The most common product is a topical treatment of benzoyl peroxide, which has minimal risk apart from minor skin irritation that may present similar as

2860-402: The face than neck. Solar comedones (sometimes called senile comedones) are related to many years of exposure to the sun, usually on the cheeks, not to acne-related pathophysiology. Using nonoily cleansers and mild soap may not cause as much irritation to the skin as regular soap. Blackheads can be removed across an area with commercially available pore-cleansing strips (which can still damage

2925-525: The five senses. For example, hearing is used to observe the condition of breathing and speech. The study of vulnerable points, or marma , is particular to ayurvedic medicine. Two of the eight branches of classical ayurveda deal with surgery ( Śalya-cikitsā and Śālākya-tantra ), but contemporary ayurveda tends to stress attaining vitality by building a healthy metabolic system and maintaining good digestion and excretion . Ayurveda also focuses on exercise, yoga , and meditation . One type of prescription

2990-412: The formation of comedones, as well. Others remove the dead layers of the skin and may help clear blocked pores. Dermatologists can often extract open comedones with minimal skin trauma, but closed comedones are more difficult. Laser treatment for acne might reduce comedones, but dermabrasion and laser therapy have also been known to cause scarring. Macrocomedones (1 mm or larger) can be removed by

3055-415: The ghost of a sinful Brahman ( brahmarakshasa ). Ama (a Sanskrit word meaning "uncooked" or "undigested") is used to refer to the concept of anything that exists in a state of incomplete transformation. With regards to oral hygiene , it is claimed to be a toxic byproduct generated by improper or incomplete digestion . The concept has no equivalent in standard medicine . In medieval taxonomies of

3120-716: The herbs used. In 1980, the Sri Lankan government established a Ministry of Indigenous Medicine to revive and regulate ayurveda. The Institute of Indigenous Medicine (affiliated to the University of Colombo ) offers undergraduate, postgraduate, and MD degrees in ayurveda medicine and surgery, and similar degrees in unani medicine. In 2010, the public system had 62 ayurvedic hospitals and 208 central dispensaries, which served about 3 million people (about 11% of Sri Lanka's population). There are an estimated 20,000 registered practitioners of ayurveda in Sri Lanka. According to

3185-799: The human body is composed of tissues ( dhatus ), waste ( malas ), and humeral biomaterials ( doshas ). The seven dhatus are chyle ( rasa ), blood ( rakta ), muscles ( māmsa ), fat ( meda ), bone ( asthi ), marrow ( majja ), and semen ( shukra ). Like the medicine of classical antiquity, the classic treatises of ayurveda divided bodily substances into five classical elements ( panchamahabhuta ) viz. earth , water , fire , air and ether . There are also twenty gunas (qualities or characteristics) which are considered to be inherent in all matter. These are organized in ten pairs: heavy/light, cold/hot, unctuous/dry, dull/sharp, stable/mobile, soft/hard, non-slimy/slimy, smooth/coarse, minute/gross, and viscous/liquid. The three postulated elemental bodily humours,

3250-409: The influence of early Indian alchemy or rasashastra ). Ancient ayurveda texts also taught surgical techniques, including rhinoplasty , lithotomy , sutures, cataract surgery , and the extraction of foreign objects. Historical evidence for ayurvedic texts, terminology and concepts appears from the middle of the first millennium BCE onwards. The main classical ayurveda texts begin with accounts of

3315-592: The issue of heavy metal poisoning, and emphasised the use of conventional health providers first. As of 2018, the NCCIH reported that 240,000 Americans were using ayurvedic medicine. The first ayurvedic clinic in Switzerland was opened in 1987 by Maharishi Mahesh Yogi . In 2015, the government of Switzerland introduced a federally recognized diploma in ayurveda. Ayurvedic medicine is considered pseudoscientific because its premises are not based on science. Both

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3380-611: The lack of scientific soundness in the theoretical foundations of ayurveda and the quality of research have been criticized. Although laboratory experiments suggest that some herbs and substances in ayurveda might be developed into effective treatments, there is no evidence that any are effective in themselves. There is no good evidence that ayurvedic medicine is effective to treat or cure cancer in people. Although ayurveda may help "improve quality of life" and Cancer Research UK also acknowledges that "researchers have found that some Ayurvedic treatments can help relieve cancer symptoms",

3445-474: The necessity of prescription medication to treat the pimples. Prescription medications used to treat acne and pimples include isotretinoin , which is a retinoid , anti-seborrheic medications, anti-androgen medications, hormonal treatments, alpha hydroxy acid , azelaic acid , and keratolytic soaps. Historically, antibiotics such as tetracyclines and erythromycin were prescribed. While they were more effective than topical applications of benzoyl peroxide,

3510-410: The organization warns that some ayurvedic drugs contain toxic substances or may interact with legitimate cancer drugs in a harmful way. Ethnologist Johannes Quack writes that although the rationalist movement Maharashtra Andhashraddha Nirmoolan Samiti officially labels ayurveda a pseudoscience akin to astrology , these practices are in fact embraced by many of the movement's members. A review of

3575-463: The physician's art, "the medicine that has eight components" ( Sanskrit : चिकित्सायामष्टाङ्गायाम् , romanized :  cikitsāyām aṣṭāṅgāyāṃ ), is first found in the Sanskrit epic the Mahābhārata , c. 4th century BCE. The components are: The central theoretical ideas of ayurveda show parallels with Samkhya and Vaisheshika philosophies, as well as with Buddhism and Jainism . Balance

3640-821: The pimple. Ayurvedic Traditional Ayurveda ( / ˌ ɑː j ʊər ˈ v eɪ d ə , - ˈ v iː -/ ; IAST : āyurveda ) is an alternative medicine system with historical roots in the Indian subcontinent. It is heavily practiced throughout India and Nepal, where as much as 80% of the population report using ayurveda. The theory and practice of ayurveda is pseudoscientific and toxic metals such as lead are used as ingredients in many ayurvedic medicines. Ayurveda therapies have varied and evolved over more than two millennia. Therapies include herbal medicines , special diets , meditation , yoga , massage , laxatives , enemas , and medical oils. Ayurvedic preparations are typically based on complex herbal compounds, minerals, and metal substances (perhaps under

3705-611: The presentation of rosacea . The American Academy of Dermatology recommends that adults with acne use products labeled as "non-comedogenic", "non-acnegenic", "oil-free" or "won’t clog pores", as they are "least likely" to cause skin irritation or acne. Common over-the-counter medications for pimples are benzoyl peroxide , salicylic acid , adapalene , and antibacterial agents such as triclosan . These topical medications, which can be found in many creams and gels used to treat acne (acne vulgaris), induce skin to slough off more easily, helping to remove bacteria faster. Before application,

3770-847: The skin by leaving the pores wide open and ripping excess skin) or the more aggressive cyanoacrylate method used by dermatologists. Squeezing blackheads and whiteheads can remove them, but can also damage the skin. Doing so increases the risk of causing or transmitting infection and scarring, as well as potentially pushing any infection deeper into the skin. Comedo extractors are used with careful hygiene in beauty salons and by dermatologists, usually after using steam or warm water. Complementary medicine options for acne in general have not been shown to be effective in trials. These include aloe vera, pyridoxine (vitamin B 6 ), fruit-derived acids, kampo (Japanese herbal medicine), ayurvedic herbal treatments, and acupuncture. Some acne treatments target infection specifically, but some treatments are aimed at

3835-502: The skin conditions discussed here. DCIS is a noninvasive form of breast cancer, but comedo-type DCIS may be more aggressive, so may be more likely to become invasive. Oil production in the sebaceous glands increases during puberty, causing comedones and acne to be common in adolescents. Acne is also found premenstrually and in women with polycystic ovarian syndrome . Smoking may worsen acne. Oxidation rather than poor hygiene or dirt causes blackheads to be black. Washing or scrubbing

3900-611: The skin too much could make it worse, by irritating the skin. Touching and picking at comedones might cause irritation and spread infection. What effect shaving has on the development of comedones or acne is unclear. Some skin products might increase comedones by blocking pores, and greasy hair products (such as pomades ) can worsen acne. Skin products that claim to not clog pores may be labeled noncomedogenic or nonacnegenic. Make-up and skin products that are oil-free and water-based may be less likely to cause acne. Whether dietary factors or sun exposure make comedones better, worse, or neither

3965-479: The subject of interdisciplinary studies in ethnomedicine which seeks to integrate the biomedical sciences and humanities to improve the pharmacopeia of ayurveda. According to industry research, the global ayurveda market was worth US$ 4.5 billion in 2017. It was reported in 2008 and again in 2018 that 80 percent of people in India used ayurveda exclusively or combined with conventional Western medicine. A 2014 national health survey found that, in general, forms of

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4030-645: The three substances in close to 21% of U.S. and Indian-manufactured patent ayurvedic medicines sold through the Internet. The public health implications of such metallic contaminants in India are unknown. The term āyurveda ( Sanskrit : आयुर्वेद ) is composed of two words, āyus , आयुस् , "life" or "longevity", and veda , वेद , "knowledge", translated as "knowledge of longevity" or "knowledge of life and longevity". The earliest classical Sanskrit works on ayurveda describe medicine as being divided into eight components (Skt. aṅga ). This characterization of

4095-526: The transmission of medical knowledge from the gods to sages, and then to human physicians. Printed editions of the Sushruta Samhita ( Sushruta's Compendium ), frame the work as the teachings of Dhanvantari , the Hindu deity of ayurveda, incarnated as King Divodāsa of Varanasi, to a group of physicians, including Sushruta . The oldest manuscripts of the work, however, omit this frame, ascribing

4160-564: The work directly to King Divodāsa. In ayurveda texts, dosha balance is emphasized, and suppressing natural urges is considered unhealthy and claimed to lead to illness. Ayurveda treatises describe three elemental doshas : vāta , pitta and kapha , and state that balance ( Skt. sāmyatva ) of the doshas results in health, while imbalance ( viṣamatva ) results in disease. Ayurveda treatises divide medicine into eight canonical components. Ayurveda practitioners had developed various medicinal preparations and surgical procedures from at least

4225-436: Was adapted for Western consumption, particularly by Baba Hari Dass in the 1970s and by Maharishi Ayurveda in the 1980s. In some cases, this involved active fraud on the part of proponents of ayurveda in an attempt to falsely represent the system as equal to the standards of modern medical research . Baba Hari Dass was an early proponent who helped bring ayurveda to the United States in the early 1970s. His teachings led to

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