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85-471: The plan proposes to shift resources out of hospitals into community services and primary care and in particular to improve mental health support in schools and 24-hour access to mental health crisis teams. The NHS budget is to increase by £20 billion a year by 2023. This is the equivalent of annual rises of just under 3.5%, but this has been widely criticized as below the historic trend of health funding, which in most developed countries has been rising at about 4%

170-490: A " great imitator ". People may become anxious or depressed post-diagnosis. The risk of suicide in people with cancer is approximately double. Local symptoms may occur due to the mass of the tumor or its ulceration. For example, mass effects from lung cancer can block the bronchus resulting in cough or pneumonia ; esophageal cancer can cause narrowing of the esophagus , making it difficult or painful to swallow; and colorectal cancer may lead to narrowing or blockages in

255-588: A 10-year plan for how an increase in funding over the following five years should be used. This budget settlement for the NHS was announced by the Prime Minister that summer as being £20.5 billion. In addition, at this time, Simon Stevens disclosed the five major priorities for the 10 year NHS plan. Following the introduction of competition into the NHS in the 1990s, a number of NHS plans, with varying goals, effects and achievements have included; Cancer Cancer

340-474: A concern. This includes that studies have not found a consistent link between mobile phone radiation and cancer risk. The vast majority of cancers are non-hereditary (sporadic). Hereditary cancers are primarily caused by an inherited genetic defect. Less than 0.3% of the population are carriers of a genetic mutation that has a large effect on cancer risk and these cause less than 3–10% of cancer. Some of these syndromes include: certain inherited mutations in

425-400: A correspondingly higher level of prostate cancer. Men of Asian ancestry, with the lowest levels of testosterone-activating androstanediol glucuronide , have the lowest levels of prostate cancer. 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

510-612: 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,

595-424: 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

680-578: A forum which is to advise on the implementation of the plan. The assembly is to be chaired by Dr Clare Gerada and Professor Sir Chris Ham and will meet four times a year. It has a very varied membership including people from the voluntary sector, Rachel Power, the Chief Executive of the Patients Association , Charlotte Pickles, who previously advised Iain Duncan Smith , Polly Toynbee , and

765-416: 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

850-422: 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

935-566: A persistent fever . Shortness of breath, called dyspnea , is a common symptom of cancer and its treatment. The causes of cancer-related dyspnea can include tumors in or around the lung, blocked airways, fluid in the lungs, pneumonia, or treatment reactions including an allergic response . Treatment for dyspnea in patients with advanced cancer can include fans , bilevel ventilation, acupressure / reflexology and multicomponent nonpharmacological interventions . Some systemic symptoms of cancer are caused by hormones or other molecules produced by

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1020-458: 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,

1105-539: A role. Oncoviruses (viruses that can cause human cancer) include: Bacterial infection may also increase the risk of cancer, as seen in Parasitic infections associated with cancer include: Radiation exposure such as ultraviolet radiation and radioactive material is a risk factor for cancer. Many non-melanoma skin cancers are due to ultraviolet radiation, mostly from sunlight. Sources of ionizing radiation include medical imaging and radon gas. Ionizing radiation

1190-473: A year. The plan is also criticised for its failure to address very significant shortages of clinicians. The main disease priorities are cancer , cardiovascular disease , stroke , diabetes , respiratory disease and mental health and some quite detailed targets. There is a specific emphasis on digital access which will be used to redesign services to avoid up to a third of hospital outpatient visits. The particular focus on children's health includes halving

1275-443: 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

1360-467: Is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tumors , which do not spread. Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements . While these symptoms may indicate cancer, they can also have other causes. Over 100 types of cancers affect humans. Tobacco use

1445-498: 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)

1530-416: Is about 2. The corresponding relative risk is 1.5 for lung cancer, and 1.9 for prostate cancer . For breast cancer, the relative risk is 1.8 with a first-degree relative having developed it at 50 years of age or older, and 3.3 when the relative developed it when being younger than 50 years of age. Taller people have an increased risk of cancer because they have more cells than shorter people. Since height

1615-419: 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

1700-548: 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

1785-537: Is generally not a transmissible disease . Exceptions include rare transmissions that occur with pregnancies and occasional organ donors . However, transmissible infectious diseases such as hepatitis B , Epstein-Barr virus , Human Papilloma Virus and HIV , can contribute to the development of cancer. Exposure to particular substances have been linked to specific types of cancer. These substances are called carcinogens . Tobacco smoke , for example, causes 90% of lung cancer. Tobacco use can cause cancer throughout

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1870-413: Is genetically determined to a large extent, taller people have a heritable increase of cancer risk. Some substances cause cancer primarily through their physical, rather than chemical, effects. A prominent example of this is prolonged exposure to asbestos , naturally occurring mineral fibers that are a major cause of mesothelioma (cancer of the serous membrane ) usually the serous membrane surrounding

1955-874: 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

2040-637: Is more common in Japan due to its high-salt diet while colon cancer is more common in the United States. Immigrant cancer profiles mirror those of their new country, often within one generation. Worldwide, approximately 18% of cancer deaths are related to infectious diseases . This proportion ranges from a high of 25% in Africa to less than 10% in the developed world. Viruses are the usual infectious agents that cause cancer but bacteria and parasites may also play

2125-403: Is not inherited , such as lifestyle, economic, and behavioral factors and not merely pollution. Common environmental factors that contribute to cancer death include tobacco use (25–30%), diet and obesity (30–35%), infections (15–20%), radiation (both ionizing and non-ionizing, up to 10%), lack of physical activity , and pollution. Psychological stress does not appear to be a risk factor for

2210-474: Is not a particularly strong mutagen . Residential exposure to radon gas, for example, has similar cancer risks as passive smoking . Radiation is a more potent source of cancer when combined with other cancer-causing agents, such as radon plus tobacco smoke. Radiation can cause cancer in most parts of the body, in all animals and at any age. Children are twice as likely to develop radiation-induced leukemia as adults; radiation exposure before birth has ten times

2295-484: 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 the immune system can produce a variety of different diseases, including various forms of immunodeficiency , hypersensitivity , allergies , and autoimmune disorders . In humans, disease

2380-613: 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

2465-427: Is predominantly used in the production of Teflon , is known to cause two kinds of cancer. Chemotherapy drugs such as platinum-based compounds are carcinogens that increase the risk of secondary cancers Azathioprine , an immunosuppressive medication , is a carcinogen that can cause primary tumors to develop. Diet, physical inactivity , and obesity are related to up to 30–35% of cancer deaths. In

2550-557: 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

2635-400: 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

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2720-770: Is the cause of about 22% of cancer deaths. Another 10% are due to obesity , poor diet , lack of physical activity or excessive alcohol consumption . Other factors include certain infections, exposure to ionizing radiation , and environmental pollutants. Infection with specific viruses, bacteria and parasites is an environmental factor causing approximately 16–18% of cancers worldwide. These infectious agents include Helicobacter pylori , hepatitis B , hepatitis C , human papillomavirus infection , Epstein–Barr virus , Human T-lymphotropic virus 1 , Kaposi's sarcoma-associated herpesvirus and Merkel cell polyomavirus . Human immunodeficiency virus (HIV) does not directly cause cancer but it causes immune deficiency that can magnify

2805-457: Is then typically further investigated by medical imaging and confirmed by biopsy . The risk of developing certain cancers can be reduced by not smoking, maintaining a healthy weight, limiting alcohol intake, eating plenty of vegetables, fruits, and whole grains , vaccination against certain infectious diseases, limiting consumption of processed meat and red meat , and limiting exposure to direct sunlight. Early detection through screening

2890-409: Is useful for cervical and colorectal cancer . The benefits of screening for breast cancer are controversial. Cancer is often treated with some combination of radiation therapy , surgery, chemotherapy and targeted therapy . Pain and symptom management are an important part of care. Palliative care is particularly important in people with advanced disease. The chance of survival depends on

2975-474: 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,

3060-451: 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

3145-470: 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

3230-402: The bowel , affecting bowel habits. Masses in breasts or testicles may produce observable lumps. Ulceration can cause bleeding that can lead to symptoms such as coughing up blood (lung cancer), anemia or rectal bleeding (colon cancer), blood in the urine (bladder cancer), or abnormal vaginal bleeding (endometrial or cervical cancer). Although localized pain may occur in advanced cancer,

3315-584: The immune system and endocrine system . More than half of the effect from the diet is due to overnutrition (eating too much), rather than from eating too few vegetables or other healthful foods. Some specific foods are linked to specific cancers. A high-salt diet is linked to gastric cancer . Aflatoxin B1 , a frequent food contaminant, causes liver cancer. Betel nut chewing can cause oral cancer. National differences in dietary practices may partly explain differences in cancer incidence. For example, gastric cancer

3400-462: 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

3485-452: The lungs , liver , brain, and the bones . While some cancers can be cured if detected early, metastatic cancer is more difficult to treat and control. Nevertheless, some recent treatments are demonstrating encouraging results. The majority of cancers, some 90–95% of cases, are due to genetic mutations from environmental and lifestyle factors. The remaining 5–10% are due to inherited genetics . Environmental refers to any cause that

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3570-576: The six hallmarks of cancer . These characteristics are required to produce a malignant tumor. They include: The progression from normal cells to cells that can form a detectable mass to cancer involves multiple steps known as malignant progression. When cancer begins, it produces no symptoms. Signs and symptoms appear as the mass grows or ulcerates . The findings that result depend on cancer's type and location. Few symptoms are specific . Many frequently occur in individuals who have other conditions. Cancer can be difficult to diagnose and can be considered

3655-460: The tumor microenvironment . Oncogenes build up an inflammatory pro-tumorigenic microenvironment. Hormones also play a role in the development of cancer by promoting cell proliferation . Insulin-like growth factors and their binding proteins play a key role in cancer cell proliferation, differentiation and apoptosis , suggesting possible involvement in carcinogenesis. Hormones are important agents in sex-related cancers, such as cancer of

3740-462: The 2012 legislation have suffered reductions in funding. The plan says "“Action by the NHS is a complement to, but cannot be a substitute for, the important role for local government… in recent years it has also become responsible for funding and commissioning preventive health services, including smoking cessation, drug and alcohol services, sexual health, and early years support for children such as school nursing and health visitors." The plan includes

3825-568: 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

3910-745: The United States have mirrored smoking patterns, with increases in smoking followed by dramatic increases in lung cancer death rates and, more recently, decreases in smoking rates since the 1950s followed by decreases in lung cancer death rates in men since 1990. In Western Europe, 10% of cancers in males and 3% of cancers in females are attributed to alcohol exposure, especially liver and digestive tract cancers. Cancer from work-related substance exposures may cause between 2 and 20% of cases, causing at least 200,000 deaths. Cancers such as lung cancer and mesothelioma can come from inhaling tobacco smoke or asbestos fibers, or leukemia from exposure to benzene . Exposure to perfluorooctanoic acid (PFOA), which

3995-479: The United States, excess body weight is associated with the development of many types of cancer and is a factor in 14–20% of cancer deaths. A UK study including data on over 5 million people showed higher body mass index to be related to at least 10 types of cancer and responsible for around 12,000 cases each year in that country. Physical inactivity is believed to contribute to cancer risk, not only through its effect on body weight but also through negative effects on

4080-412: 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

4165-414: The body (such as through inhalation) and require years of exposure to produce cancer. Physical trauma resulting in cancer is relatively rare. Claims that breaking bones resulted in bone cancer, for example, have not been proven. Similarly, physical trauma is not accepted as a cause for cervical cancer, breast cancer or brain cancer. One accepted source is frequent, long-term application of hot objects to

4250-404: The body including in the mouth and throat, larynx , esophagus , stomach, bladder, kidney, cervix, colon/rectum, liver and pancreas . Tobacco smoke contains over fifty known carcinogens, including nitrosamines and polycyclic aromatic hydrocarbons . Tobacco is responsible for about one in five cancer deaths worldwide and about one in three in the developed world. Lung cancer death rates in

4335-401: The body. It is possible that repeated burns on the same part of the body, such as those produced by kanger and kairo heaters (charcoal hand warmers ), may produce skin cancer, especially if carcinogenic chemicals are also present. Frequent consumption of scalding hot tea may produce esophageal cancer. Generally, it is believed that cancer arises, or a pre-existing cancer is encouraged, during

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4420-527: The breast, endometrium , prostate, ovary and testis and also of thyroid cancer and bone cancer . For example, the daughters of women who have breast cancer have significantly higher levels of estrogen and progesterone than the daughters of women without breast cancer. These higher hormone levels may explain their higher risk of breast cancer, even in the absence of a breast-cancer gene. Similarly, men of African ancestry have significantly higher levels of testosterone than men of European ancestry and have

4505-457: 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

4590-566: 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

4675-457: The developing world. The global total economic costs of cancer were estimated at US$ 1.16 trillion (equivalent to $ 1.62 trillion in 2023) per year as of 2010 . The word comes from the ancient Greek [καρκίνος] Error: {{Transliteration}}: transliteration text not Latin script ( help ) , meaning 'crab' and 'tumor'. Greek physicians Hippocrates and Galen , among others, noted the similarity of crabs to some tumors with swollen veins. The word

4760-530: 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

4845-510: 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

4930-444: 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,

5015-642: 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

5100-455: The effect. Medical use of ionizing radiation is a small but growing source of radiation-induced cancers. Ionizing radiation may be used to treat other cancers, but this may, in some cases, induce a second form of cancer. It is also used in some kinds of medical imaging . Prolonged exposure to ultraviolet radiation from the sun can lead to melanoma and other skin malignancies. Clear evidence establishes ultraviolet radiation, especially

5185-445: The genes BRCA1 and BRCA2 with a more than 75% risk of breast cancer and ovarian cancer , and hereditary nonpolyposis colorectal cancer (HNPCC or Lynch syndrome), which is present in about 3% of people with colorectal cancer , among others. Statistically for cancers causing most mortality, the relative risk of developing colorectal cancer when a first-degree relative (parent, sibling or child) has been diagnosed with it

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5270-479: The initial tumor is usually painless. Some cancers can cause a buildup of fluid within the chest or abdomen . Systemic symptoms may occur due to the body's response to the cancer. This may include fatigue, unintentional weight loss, or skin changes. Some cancers can cause a systemic inflammatory state that leads to ongoing muscle loss and weakness, known as cachexia . Some cancers, such as Hodgkin's disease , leukemias , and liver or kidney cancers , can cause

5355-414: The lack of clarity on how these changes intend to be implemented and on workforce planning. The Financial Times commented that "Nothing much will change until the NHS begins to fill an estimated 100,000 vacancies" and urged ministers to "take on those interest groups lobbying against the changes needed to promote healthier lifestyles." In the summer of 2018, the government asked the NHS to come up with

5440-441: The lungs. Other substances in this category, including both naturally occurring and synthetic asbestos-like fibers, such as wollastonite , attapulgite , glass wool and rock wool , are believed to have similar effects. Non-fibrous particulate materials that cause cancer include powdered metallic cobalt and nickel and crystalline silica ( quartz , cristobalite and tridymite ). Usually, physical carcinogens must get inside

5525-638: 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

5610-477: 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

5695-429: The non-ionizing medium wave UVB , as the cause of most non-melanoma skin cancers , which are the most common forms of cancer in the world. Non-ionizing radio frequency radiation from mobile phones, electric power transmission and other similar sources has been described as a possible carcinogen by the World Health Organization 's International Agency for Research on Cancer . Evidence, however, has not supported

5780-729: The number of stillbirths , maternal mortality and neonatal deaths and serious brain injuries at birth by 2025. There is a considerable stress on preventative work, with claims that this could save up to 500,000 lives a year. Hospitals will run the Diabetes Prevention Programme, smoking cessation programmes and Alcohol Care Teams in the hospitals with the highest rate of alcohol dependence-related admissions. More patients with severe mental health problems will receive physical health checks each year. This has been criticised as secondary prevention, while public health and primary prevention which were transferred to local authorities by

5865-462: The onset of cancer, though it may worsen outcomes in those who already have cancer. Environmental or lifestyle factors that caused cancer to develop in an individual can be identified by analyzing mutational signatures from genomic sequencing of tumor DNA. For example, this can reveal if lung cancer was caused by tobacco smoke, if skin cancer was caused by UV radiation, or if secondary cancers were caused by previous chemotherapy treatment. Cancer

5950-425: The original is called the primary tumor. Almost all cancers can metastasize. Most cancer deaths are due to cancer that has metastasized. Metastasis is common in the late stages of cancer and it can occur via the blood or the lymphatic system or both. The typical steps in metastasis are: Different types of cancers tend to metastasize to particular organs. Overall, the most common places for metastases to occur are

6035-468: 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

6120-555: The president of the Royal College of Nursing Anne Marie Rafferty . The Royal College of Midwives were encouraged to see that maternity care was a key point. They welcomed promises to build on the Maternity Transformation Programme (MTP) and the key pledges around continuity of care for most women by March 2021 and halving the rates of stillbirth and neonatal and maternal deaths by 2025. However, they questioned

6205-869: The previous decade increases of 26% and 21%, respectively. The most common types of cancer in males are lung cancer , prostate cancer , colorectal cancer , and stomach cancer . In females, the most common types are breast cancer , colorectal cancer, lung cancer, and cervical cancer . If skin cancer other than melanoma were included in total new cancer cases each year, it would account for around 40% of cases. In children, acute lymphoblastic leukemia and brain tumors are most common, except in Africa, where non-Hodgkin lymphoma occurs more often. In 2012, about 165,000 children under 15 years of age were diagnosed with cancer. The risk of cancer increases significantly with age, and many cancers occur more commonly in developed countries. Rates are increasing as more people live to an old age and as lifestyle changes occur in

6290-403: The process of healing, rather than directly by the trauma. However, repeated injuries to the same tissues might promote excessive cell proliferation, which could then increase the odds of a cancerous mutation. Chronic inflammation has been hypothesized to directly cause mutation. Inflammation can contribute to proliferation, survival, angiogenesis and migration of cancer cells by influencing

6375-498: The proposed repeal of the specific procurement requirements in the Health and Social Care and the NHS (Procurement, Patient Choice and Competition) (No.2) Regulations 2013. This would allow NHS commissioners to decide the circumstances in which they should use procurement procedures, subject to statutory guidance and a best value test to secure the best outcomes for patients and the taxpayer. 56 people were recruited in early 2019 to form

6460-618: The risk due to other infections, sometimes up to several thousand fold (in the case of Kaposi's sarcoma ). Importantly, vaccination against hepatitis B and human papillomavirus have been shown to nearly eliminate risk of cancers caused by these viruses in persons successfully vaccinated prior to infection. These environmental factors act, at least partly, by changing the genes of a cell. Typically, many genetic changes are required before cancer develops. Approximately 5–10% of cancers are due to inherited genetic defects. Cancer can be detected by certain signs and symptoms or screening tests. It

6545-402: 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

6630-826: 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

6715-400: The tumor, known as paraneoplastic syndromes . Common paraneoplastic syndromes include hypercalcemia , which can cause altered mental state , constipation and dehydration, or hyponatremia , which can also cause altered mental status, vomiting, headaches, or seizures. Metastasis is the spread of cancer to other locations in the body. The dispersed tumors are called metastatic tumors, while

6800-461: The type of cancer and extent of disease at the start of treatment. In children under 15 at diagnosis, the five-year survival rate in the developed world is on average 80%. For cancer in the United States, the average five-year survival rate is 66% for all ages. In 2015, about 90.5 million people worldwide had cancer. In 2019, annual cancer cases grew by 23.6 million people, and there were 10 million deaths worldwide, representing over

6885-454: 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

6970-430: 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

7055-477: Was introduced in English in the modern medical sense around 1600. Cancers comprise a large family of diseases that involve abnormal cell growth with the potential to invade or spread to other parts of the body. They form a subset of neoplasms . A neoplasm or tumor is a group of cells that have undergone unregulated growth and will often form a mass or lump, but may be distributed diffusely. All tumor cells show

7140-409: 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

7225-494: 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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