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72-528: Early Nunamiut lived by hunting caribou instead of the marine mammals and fish hunted by coastal Iñupiat. After 1850 the interior became depopulated because of diseases , the decline of the caribou and the migration to the coast (including the Mackenzie Delta area in Canada , where they are called Uummarmiut ) where whaling and fox trapping provided a temporarily promising alternative. Historically,

144-441: A flare-up . A flare-up may show more severe symptoms. The term chief complaint , also "presenting problem", is used to describe the initial concern of an individual when seeking medical help, and once this is clearly noted a history of the present illness may be taken. The symptom that ultimately leads to a diagnosis is called a cardinal symptom. Some symptoms can be misleading as a result of referred pain , where for example

216-565: A booklet, Songs of the Nunamiut , with an accompanying CD containing the audio material. This is an extremely valuable contribution to the preservation of the Nunamiut culture because it turned out that much of what he had gathered in the mid-20th century was now lost locally and was only preserved in his recordings. Representatives from the Nunamiut later suggested naming a mountain in the Brooks range after him. Five years after Ingstad's death, it

288-612: A disease can alter the affected person's perspective on life. Death due to disease is called death by natural causes . There are four main types of disease: infectious diseases, deficiency diseases , hereditary diseases (including both genetic and non-genetic hereditary diseases ), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases. The deadliest diseases in humans are coronary artery disease (blood flow obstruction), followed by cerebrovascular disease and lower respiratory infections . In developed countries,

360-424: A disease or other health problems. In the medical field, therapy is synonymous with the word treatment . Among psychologists, the term may refer specifically to psychotherapy or "talk therapy". Common treatments include medications , surgery , medical devices , and self-care . Treatments may be provided by an organized health care system , or informally, by the patient or family members. Preventive healthcare

432-426: A disease, injury, or medical condition that may be detected during a physical examination . These signs may be visible, such as a rash or bruise , or otherwise detectable such as by using a stethoscope or taking blood pressure . Medical signs, along with symptoms , help in forming a diagnosis . Some examples of signs are nail clubbing of either the fingernails or toenails or an abnormal gait . A symptom

504-399: A disorder is known as a syndrome . When a disease is evidenced by symptoms it is known as symptomatic . There are many conditions including subclinical infections that display no symptoms, and these are termed asymptomatic . Signs and symptoms may be mild or severe, brief or longer-lasting when they may become reduced ( remission ), or then recur ( relapse or recrudescence ) known as

576-499: A distinctive facial expression or appearance known as a facies . An example is elfin facies which has facial features like those of the elf , and this may be associated with Williams syndrome , or Donohue syndrome . The most well-known facies is probably the Hippocratic facies that is seen on a person as they near death. Anamnestic signs (from anamnēstikós , ἀναμνηστικός, "able to recall to mind") are signs that indicate

648-418: A group of known signs, or signs and symptoms. These can be a group of three known as a triad; a group of four ("tetrad"); or a group of five ("pentad"). An example of a triad is Meltzer's triad presenting purpura a rash, arthralgia painful joints, and myalgia painful and weak muscles. Meltzer's triad indicates the condition cryoglobulinemia . Huntington's disease is a neurodegenerative disease that

720-441: A huge impact on diagnostic capability. The recognition of signs, and noting of symptoms may lead to a diagnosis. Otherwise a physical examination may be carried out, and a medical history taken. Further diagnostic medical tests such as blood tests , scans , and biopsies , may be needed. An X-ray for example would soon be diagnostic of a suspected bone fracture . A noted significance detected during an examination or from

792-568: A marshland swarming with blackflies and mosquitoes. Autumn : The caribou hunting cycle repeats in September and October when caribou retreat south again. Winter : There are about 72 days of total winter darkness starting around November 15. The native language of the Nunamiut is a dialect of Iñupiaq . In the late 1960s, the University of California, Berkeley sent undergraduate linguistics student (now Arctic explorer) Dennis Schmitt to

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864-416: A number of positive and negative effects on the financial and other responsibilities of governments, corporations, and institutions towards individuals, as well as on the individuals themselves. The social implication of viewing aging as a disease could be profound, though this classification is not yet widespread. Lepers were people who were historically shunned because they had an infectious disease, and

936-430: A pain in the right shoulder may be due to an inflamed gallbladder and not to presumed muscle strain. Many diseases have an early prodromal stage where a few signs and symptoms may suggest the presence of a disorder before further specific symptoms may emerge. Measles for example has a prodromal presentation that includes a hacking cough, fever, and Koplik's spots in the mouth. Over half of migraine episodes have

1008-422: A partly or completely genetic basis (see genetic disorder ) and may thus be transmitted from one generation to another. Social determinants of health are the social conditions in which people live that determine their health. Illnesses are generally related to social, economic, political, and environmental circumstances . Social determinants of health have been recognized by several health organizations such as

1080-564: A past condition, for example paralysis in an arm may indicate a past stroke . Some diseases including cancers , and infections may be present but show no signs or symptoms and these are known as asymptomatic . A gallstone may be asymptomatic and only discovered as an incidental finding . Easily spreadable viral infections such as COVID-19 may be asymptomatic but may still be transmissible . A symptom (from Greek σύμπτωμα, "accident, misfortune, that which befalls", from συμπίπτω, "I befall", from συν- "together, with" and πίπτω, "I fall")

1152-475: A pathognomonic cardinal sign, the absence of a sign or symptom can often rule out a condition. This is known by the Latin term sine qua non . For example, the absence of known genetic mutations specific for a hereditary disease would rule out that disease. Another example is where the vaginal pH is less than 4.5, a diagnosis of bacterial vaginosis would be excluded. A reflex is an automatic response in

1224-465: A period in the Brooks Range in northern Alaska among the Nunamiut, and afterward wrote Nunamiut - blant Alaskas innlandseskimoer (translation: "Nunamiut - Inland Eskimos of Alaska"). During the last few years of his life, he worked on categorizing and annotating the large quantity of photos and audio recordings (141 songs) he had made while living with the Nunamiut in 1950. The effort resulted in

1296-535: A period of six months are termed B symptoms associated with lymphoma and indicate a poor prognosis. Other sub-types of symptoms include: Vital signs are the four signs that can give an immediate measurement of the body's overall functioning and health status. They are temperature , heart rate , breathing rate , and blood pressure . The ranges of these measurements vary with age, weight, gender and with general health. A digital application has been developed for use in clinical settings that measures three of

1368-458: A person's life was shortened due to a disease. For example, if a person dies at the age of 65 from a disease, and would probably have lived until age 80 without that disease, then that disease has caused a loss of 15 years of potential life. YPLL measurements do not account for how disabled a person is before dying, so the measurement treats a person who dies suddenly and a person who died at the same age after decades of illness as equivalent. In 2004,

1440-402: A person's reported subjective experiences. A sign for example may be a higher or lower temperature than normal, raised or lowered blood pressure or an abnormality showing on a medical scan . A symptom is something out of the ordinary that is experienced by an individual such as feeling feverish, a headache or other pains in the body. A medical sign is an objective observable indication of

1512-513: A prodromal phase. Schizophrenia has a notable prodromal stage, as has dementia . Some symptoms are specific , that is, they are associated with a single, specific medical condition. Nonspecific symptoms , sometimes also called equivocal symptoms , are not specific to a particular condition. They include unexplained weight loss, headache, pain, fatigue, loss of appetite, night sweats, and malaise . A group of three particular nonspecific symptoms – fever, night sweats, and weight loss – over

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1584-425: A unique combination of symptoms or an overlap of conditions, or to the symptoms being atypical of a known disorder, or to the disorder being extremely rare. It is possible that a person with a particular syndrome might not display every single one of the signs and/or symptoms that compose/define a syndrome. Sensory symptoms can also be described as positive symptoms , or as negative symptoms depending on whether

1656-443: Is a common metaphor for addictions : The alcoholic is enslaved by drink, and the smoker is captive to nicotine. Some cancer patients treat the loss of their hair from chemotherapy as a metonymy or metaphor for all the losses caused by the disease. Some diseases are used as metaphors for social ills: "Cancer" is a common description for anything that is endemic and destructive in society, such as poverty, injustice, or racism. AIDS

1728-410: Is a departure from normal function or feeling. Symptomatology (also called semiology) is a branch of medicine dealing with the signs and symptoms of a disease. This study also includes the indications of a disease . It was first described as semiotics by Henry Stubbe in 1670 a term now used for the study of sign communication . Prior to the nineteenth century there was little difference in

1800-498: Is a way to avoid an injury, sickness, or disease in the first place. A treatment or cure is applied after a medical problem has already started. A treatment attempts to improve or remove a problem, but treatments may not produce permanent cures, especially in chronic diseases . Cures are a subset of treatments that reverse diseases completely or end medical problems permanently. Many diseases that cannot be completely cured are still treatable. Pain management (also called pain medicine)

1872-419: Is an enemy that must be feared, fought, battled, and routed. The patient or the healthcare provider is a warrior , rather than a passive victim or bystander. The agents of communicable diseases are invaders ; non-communicable diseases constitute internal insurrection or civil war . Because the threat is urgent, perhaps a matter of life and death, unthinkably radical, even oppressive, measures are society's and

1944-422: Is characterized by a triad of motor, cognitive, and psychiatric signs and symptoms. A large number of these groups that can be characteristic of a particular disease are known as a syndrome . Noonan syndrome for example, has a diagnostic set of unique facial and musculoskeletal features. Some syndromes such as nephrotic syndrome may have a number of underlying causes that are all related to diseases that affect

2016-548: Is far more common in societies in which most members live until they reach the age of 80 than in societies in which most members die before they reach the age of 50. An illness narrative is a way of organizing a medical experience into a coherent story that illustrates the sick individual's personal experience. People use metaphors to make sense of their experiences with disease. The metaphors move disease from an objective thing that exists to an affective experience. The most popular metaphors draw on military concepts: Disease

2088-889: Is known. The most known and used classification of diseases is the World Health Organization 's ICD . This is periodically updated. Currently, the last publication is the ICD-11 . Diseases can be caused by any number of factors and may be acquired or congenital . Microorganisms , genetics, the environment or a combination of these can contribute to a diseased state. Only some diseases such as influenza are contagious and commonly believed infectious. The microorganisms that cause these diseases are known as pathogens and include varieties of bacteria, viruses, protozoa, and fungi. Infectious diseases can be transmitted, e.g. by hand-to-mouth contact with infectious material on surfaces, by bites of insects or other carriers of

2160-399: Is something felt or experienced, such as pain or dizziness. Signs and symptoms are not mutually exclusive, for example a subjective feeling of fever can be noted as sign by using a thermometer that registers a high reading. The CDC lists various diseases by their signs and symptoms such as for measles which includes a high fever , conjunctivitis , and cough , followed a few days later by

2232-557: Is that branch of medicine employing an interdisciplinary approach to the relief of pain and improvement in the quality of life of those living with pain. Treatment for medical emergencies must be provided promptly, often through an emergency department or, in less critical situations, through an urgent care facility. Epidemiology is the study of the factors that cause or encourage diseases. Some diseases are more common in certain geographic areas, among people with certain genetic or socioeconomic characteristics, or at different times of

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2304-400: Is that diseases often cannot be defined and classified clearly, especially when cause or pathogenesis are unknown. Thus diagnostic terms often only reflect a symptom or set of symptoms ( syndrome ). Classical classification of human disease derives from the observational correlation between pathological analysis and clinical syndromes. Today it is preferred to classify them by their cause if it

2376-856: The Brooks Range , around Chandler Lake and the Killik River . In 1949, the Chandler Lake Nunamiuts moved to Anaktuvuk Pass; later, the Killik River group moved there also. Anaktuvuk Pass is the only Nunamiut settlement. A federally recognized Alaskan village is located Anaktuvuk—the Village of Anaktuvuk Pass, the Naqsragmiut Tribal Council. The Nunamiut were visited after World War II by Norwegian explorer and author Helge Ingstad . He stayed for

2448-478: The Hmong people . Sickness confers the social legitimization of certain benefits, such as illness benefits, work avoidance, and being looked after by others. The person who is sick takes on a social role called the sick role . A person who responds to a dreaded disease, such as cancer , in a culturally acceptable fashion may be publicly and privately honored with higher social status . In return for these benefits,

2520-577: The Mickey Mouse sign and the Golden S sign . When using imaging to find the cause of a complaint, another unrelated finding may be found known as an incidental finding . Cardinal signs and symptoms are those that may be diagnostic, and pathognomonic – of a certainty of diagnosis. Inflammation for example has a recognised group of cardinal signs and symptoms, as does exacerbations of chronic bronchitis , and Parkinson's disease . In contrast to

2592-451: The World Health Organization calculated that 932 million years of potential life were lost to premature death. The quality-adjusted life year (QALY) and disability-adjusted life year (DALY) metrics are similar but take into account whether the person was healthy after diagnosis. In addition to the number of years lost due to premature death, these measurements add part of the years lost to being sick. Unlike YPLL, these measurements show

2664-470: The acute phase ; after recovery from chickenpox, the virus may remain dormant in nerve cells for many years, and later cause herpes zoster (shingles). Diseases may be classified by cause, pathogenesis ( mechanism by which the disease is caused), or by symptoms . Alternatively, diseases may be classified according to the organ system involved, though this is often complicated since many diseases affect more than one organ. A chief difficulty in nosology

2736-809: The immune system can produce a variety of different diseases, including various forms of immunodeficiency , hypersensitivity , allergies , and autoimmune disorders . In humans, disease is often used more broadly to refer to any condition that causes pain , dysfunction , distress , social problems , or death to the person affected, or similar problems for those in contact with the person. In this broader sense, it sometimes includes injuries , disabilities , disorders , syndromes , infections , isolated symptoms, deviant behaviors , and atypical variations of structure and function, while in other contexts and for other purposes these may be considered distinguishable categories. Diseases can affect people not only physically but also mentally, as contracting and living with

2808-462: The incubation period is the time between infection and the appearance of symptoms. The latency period is the time between infection and the ability of the disease to spread to another person, which may precede, follow, or be simultaneous with the appearance of symptoms. Some viruses also exhibit a dormant phase, called viral latency , in which the virus hides in the body in an inactive state. For example, varicella zoster virus causes chickenpox in

2880-401: The kidneys . Sometimes a child or young adult may have symptoms suggestive of a genetic disorder that cannot be identified even after genetic testing . In such cases the term SWAN (syndrome without a name) may be used. Often a diagnosis may be made at some future point when other more specific symptoms emerge but many cases may remain undiagnosed. The inability to diagnose may be due to

2952-549: The signs and symptoms of pregnancy , or the symptoms of dehydration . Sometimes a disease may be present without showing any signs or symptoms when it is known as being asymptomatic . The disorder may be discovered through tests including scans. An infection may be asymptomatic but still be transmissible . Signs and symptoms are often non-specific, but some combinations can be suggestive of certain diagnoses , helping to narrow down what may be wrong. A particular set of characteristic signs and symptoms that may be associated with

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3024-604: The Nunamiut hunted caribou . When caribou numbers dwindled in the 19th century, some Nunamiut migrated towards the Mackenzie River delta. Around 1910, with caribou continuing to be insufficient to sustain the native hunting, Nunatamiut migrated further into the Siglit area. They were spurred by increased demand for furs by the Hudson's Bay Company and the possibility of jobs within the whaling industry. The Inuvialuit of

3096-567: The Nunamiut to study their dialect. There are few native speakers today. Disease This is an accepted version of this page A disease is a particular abnormal condition that adversely affects the structure or function of all or part of an organism and is not immediately due to any external injury . Diseases are often known to be medical conditions that are associated with specific signs and symptoms . A disease may be caused by external factors such as pathogens or by internal dysfunctions. For example, internal dysfunctions of

3168-588: The Public Health Agency of Canada and the World Health Organization to greatly influence collective and personal well-being. The World Health Organization's Social Determinants Council also recognizes Social determinants of health in poverty . When the cause of a disease is poorly understood, societies tend to mythologize the disease or use it as a metaphor or symbol of whatever that culture considers evil. For example, until

3240-863: The Siglit area were unhappy with the arrival of the Nunatamiut, afraid that the Nunatamuit would deplete the Inuvialuit's Bluenose caribou herd. But the Nunatamiut, inland hunters of the Iñupiat region, were in high demand by the American whalers. Eventually, the Nunatamiut who settled in the Siglit area became known as the Uummarmiut ( people of the green trees ) and intermarried with the local Inuvialuit. In 1938, several Nunamiut families returned to

3312-412: The bacterial cause of tuberculosis was discovered in 1882, experts variously ascribed the disease to heredity , a sedentary lifestyle , depressed mood , and overindulgence in sex, rich food, or alcohol, all of which were social ills at the time. When a disease is caused by a pathogenic organism (e.g., when malaria is caused by Plasmodium ), one should not confuse the pathogen (the cause of

3384-483: The body to a stimulus. Its absence, reduced (hypoactive), or exaggerated (hyperactive) response can be a sign of damage to the central nervous system or peripheral nervous system . In the patellar reflex (knee-jerk) for example, its reduction or absence is known as Westphal's sign and may indicate damage to lower motor neurons . When the response is exaggerated damage to the upper motor neurons may be indicated. A number of medical conditions are associated with

3456-457: The burden imposed on people who are very sick, but who live a normal lifespan. A disease that has high morbidity, but low mortality, has a high DALY and a low YPLL. In 2004, the World Health Organization calculated that 1.5 billion disability-adjusted life years were lost to disease and injury. In the developed world, heart disease and stroke cause the most loss of life, but neuropsychiatric conditions like major depressive disorder cause

3528-566: The challenge of defining them. Especially for poorly understood diseases, different groups might use significantly different definitions. Without an agreed-on definition, different researchers may report different numbers of cases and characteristics of the disease. Some morbidity databases are compiled with data supplied by states and territories health authorities, at national levels or larger scale (such as European Hospital Morbidity Database (HMDB)) which may contain hospital discharge data by detailed diagnosis, age and sex. The European HMDB data

3600-672: The disease were portrayed in literature as having risen above daily life to become ephemeral objects of spiritual or artistic achievement. In the 20th century, after its cause was better understood, the same disease became the emblem of poverty, squalor, and other social problems. Signs and symptoms Syndrome Disease Medical diagnosis Differential diagnosis Prognosis Acute Chronic Cure Eponymous disease Acronym or abbreviation Remission Signs and symptoms Signs and symptoms are diagnostic indications of an illness , injury, or condition. Signs are objective and externally observable; symptoms are

3672-530: The disease) with disease itself. For example, West Nile virus (the pathogen) causes West Nile fever (the disease). The misuse of basic definitions in epidemiology is frequent in scientific publications. Many diseases and disorders can be prevented through a variety of means. These include sanitation , proper nutrition , adequate exercise , vaccinations and other self-care and public health measures, such as obligatory face mask mandates . Medical therapies or treatments are efforts to cure or improve

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3744-510: The disease, and from contaminated water or food (often via fecal contamination), etc. Also, there are sexually transmitted diseases . In some cases, microorganisms that are not readily spread from person to person play a role, while other diseases can be prevented or ameliorated with appropriate nutrition or other lifestyle changes. Some diseases, such as most (but not all ) forms of cancer , heart disease , and mental disorders, are non-infectious diseases . Many non-infectious diseases have

3816-444: The diseases that cause the most sickness overall are neuropsychiatric conditions , such as depression and anxiety . The study of disease is called pathology , which includes the study of etiology , or cause. In many cases, terms such as disease , disorder , morbidity , sickness and illness are used interchangeably; however, there are situations when specific terms are considered preferable. In an infectious disease,

3888-477: The disorder and are not normally experienced by most individuals and reflects an excess or distortion of normal functions; examples are hallucinations , delusions , and bizarre behavior. Negative symptoms are functions that are normally found but that are diminished or absent, such as apathy and anhedonia . Dynamic symptoms are capable of change depending on circumstance, whereas static symptoms are fixed or unchanging regardless of circumstance. For example,

3960-642: The documentation of results for submission to peer-reviewed journals. Epidemiologists also study the interaction of diseases in a population, a condition known as a syndemic . Epidemiologists rely on a number of other scientific disciplines such as biology (to better understand disease processes), biostatistics (the current raw information available), Geographic Information Science (to store data and map disease patterns) and social science disciplines (to better understand proximate and distal risk factors). Epidemiology can help identify causes as well as guide prevention efforts. In studying diseases, epidemiology faces

4032-448: The findings meant and the layman did not". A number of advances introduced mostly in the 19th century, allowed for more objective assessment by the physician in search of a diagnosis, and less need of input from the patient. During the 20th century the introduction of a wide range of imaging techniques and other testing methods such as genetic testing , clinical chemistry tests , molecular diagnostics and pathogenomics have made

4104-401: The measles rash . Cardinal signs and symptoms are very specific even to the point of being pathognomonic . A cardinal sign or cardinal symptom can also refer to the major sign or symptom of a disease. Abnormal reflexes can indicate problems with the nervous system . Signs and symptoms are also applied to physiological states outside the context of disease, as for example when referring to

4176-795: The metabolic myopathy of McArdle's disease (GSD-V) and some individuals with phosphoglucomutase deficiency (CDG1T/GSD-XIV) , initially experience exercise intolerance during mild-moderate aerobic exercise, but the symptoms alleviate after 6–10 minutes in what is known as " second wind ". Neuropsychiatric symptoms are present in many degenerative disorders including dementia , and Parkinson's disease . Symptoms commonly include apathy , anxiety , and depression . Neurological and psychiatric symptoms are also present in some genetic disorders such as Wilson's disease . Symptoms of executive dysfunction are often found in many disorders including schizophrenia , and ADHD . Radiologic signs are abnormal medical findings on imaging scanning . These include

4248-644: The month of Ramadan is exempted from the requirement, or even forbidden from participating. People who are sick are also exempted from social duties. For example, ill health is the only socially acceptable reason for an American to refuse an invitation to the White House . The identification of a condition as a disease, rather than as simply a variation of human structure or function, can have significant social or economic implications. The controversial recognition of diseases such as repetitive stress injury (RSI) and post-traumatic stress disorder (PTSD) has had

4320-482: The most years lost to being sick. How a society responds to diseases is the subject of medical sociology . A condition may be considered a disease in some cultures or eras but not in others. For example, obesity was associated with prosperity and abundance, and this perception persists in many African regions, especially since the beginning of the HIV/AIDS . Epilepsy is considered a sign of spiritual gifts among

4392-468: The patient's moral duty as they courageously mobilize to struggle against destruction. The War on Cancer is an example of this metaphorical use of language. This language is empowering to some patients, but leaves others feeling like they are failures. Another class of metaphors describes the experience of illness as a journey: The person travels to or from a place of disease, and changes himself, discovers new information, or increases his experience along

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4464-420: The powers of observation between physician and patient. Most medical practice was conducted as a co-operative interaction between the physician and patient; this was gradually replaced by a "monolithic consensus of opinion imposed from within the community of medical investigators". Whilst each noticed much the same things, the physician had a more informed interpretation of those things: "the physicians knew what

4536-402: The sick person is obligated to seek treatment and work to become well once more. As a comparison, consider pregnancy , which is not interpreted as a disease or sickness, even if the mother and baby may both benefit from medical care. Most religions grant exceptions from religious duties to people who are sick. For example, one whose life would be endangered by fasting on Yom Kippur or during

4608-588: The symptom is abnormally present such as tingling or itchiness, or abnormally absent such as loss of smell . The following terms are used for negative symptoms – hypoesthesia is a partial loss of sensitivity to moderate stimuli, such as pressure, touch, warmth, cold. Anesthesia is the complete loss of sensitivity to stronger stimuli, such as pinprick. Hypoalgesia (analgesia) is loss of sensation to painful stimuli. Symptoms are also grouped in to negative and positive for some mental disorders such as schizophrenia . Positive symptoms are those that are present in

4680-435: The symptoms of exercise intolerance are dynamic as they are brought on by exercise, but alleviate during rest. Fixed muscle weakness is a static symptom as the muscle will be weak regardless of exercise or rest. A majority of patients with metabolic myopathies have dynamic rather than static findings, typically experiencing exercise intolerance, muscle pain, and cramps with exercise rather than fixed weakness. Those with

4752-826: The term "leper" still evokes social stigma . Fear of disease can still be a widespread social phenomenon, though not all diseases evoke extreme social stigma. Social standing and economic status affect health. Diseases of poverty are diseases that are associated with poverty and low social status; diseases of affluence are diseases that are associated with high social and economic status. Which diseases are associated with which states vary according to time, place, and technology. Some diseases, such as diabetes mellitus , may be associated with both poverty (poor food choices) and affluence (long lifespans and sedentary lifestyles), through different mechanisms. The term lifestyle diseases describes diseases associated with longevity and that are more common among older people. For example, cancer

4824-440: The vital signs (not temperature) using just a smartphone , and has been approved by NHS England . The application is registered as Lifelight First , and Lifelight Home is under development (2020) for monitoring-use by people at home using just the camera on their smartphone or tablet. This will additionally measure oxygen saturation and atrial fibrillation . Other devices are then not needed. Many conditions are indicated by

4896-454: The way. He may travel "on the road to recovery" or make changes to "get on the right track" or choose "pathways". Some are explicitly immigration-themed: the patient has been exiled from the home territory of health to the land of the ill, changing identity and relationships in the process. This language is more common among British healthcare professionals than the language of physical aggression. Some metaphors are disease-specific. Slavery

4968-430: The year. Epidemiology is considered a cornerstone methodology of public health research and is highly regarded in evidence-based medicine for identifying risk factors for diseases. In the study of communicable and non-communicable diseases, the work of epidemiologists ranges from outbreak investigation to study design, data collection, and analysis including the development of statistical models to test hypotheses and

5040-468: Was named Ingstad mountain . According to archaeologist Lewis Binford , the Nunamiut depend on meat more so than any other living hunter-gatherer group. The annual cycle of Nunamiut life revolves around the annual migrations of caribou. Spring : The main caribou migrations happen in March and April, when caribou move north through Anaktuvuk Pass to feed on the plains. Summer : The plains thaw and become

5112-409: Was seen as a divine judgment for moral decadence, and only by purging itself from the "pollution" of the "invader" could society become healthy again. More recently, when AIDS seemed less threatening, this type of emotive language was applied to avian flu and type 2 diabetes mellitus . Authors in the 19th century commonly used tuberculosis as a symbol and a metaphor for transcendence . People with

5184-510: Was submitted by European countries to the World Health Organization Regional Office for Europe. Disease burden is the impact of a health problem in an area measured by financial cost, mortality, morbidity, or other indicators. There are several measures used to quantify the burden imposed by diseases on people. The years of potential life lost (YPLL) is a simple estimate of the number of years that

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