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Wikipedia's contents: Health and fitness

The most widely accepted definition of good health is that of the World Health Organization Constitution. It states that "health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity" (World Health Organization, 1946). In more recent years this statement has been amplified to include the ability to lead a "socially and economically productive life". The WHO definition is not without criticism, mainly that it is too broad.

The most solid aspects of wellness that fit firmly in the realm of medicine are environmental health, nutrition, disease prevention, and public health. These matters can be investigated at length and can assist in measuring well being.

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Health and fitness: Overview • Lists • Outlines • Portals • Categories • Glossaries • Indexes

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Overview (see for all subject areas)

Main articles: Health, Self-care, and Health science

General – Health care • Health care industry • Health disparities • Mental health • Population health • Preventive medicine • Public health • Wikipedia Books: Health

Self-care – Body composition • Life extension • Longevity • Physical fitness

Nutrition – Calorie restriction • Dietary supplements (Amino acids, Minerals, Nootropics, Nutrients, Vitamins) • Diet (nutrition) • Dieting • Healthy eating pyramid

Physical exercise – Stretching • Overtraining • Aerobic exercise • Anaerobic exercise • Sport • Walking

Hygiene – Cleanliness • Oral hygiene • Occupational hygiene

Health science – Dentistry • Occupational therapy • Optometry • Pharmacy • Physiotherapy • Speech-Language Pathology

Medicine – Midwifery • Nursing • Veterinary medicine • Complementary and alternative medicine

Human medicine – Cardiology • Dermatology •Emergency medicine • Endocrinology and Diabetology • Epidemiology • Forensics • Geriatrics • Hematology • Internal medicine • Nephrology • Neurology • Oncology • Pathology • Pediatrics • Psychiatry • Rheumatology • Surgery • Urology

Illness – Aging • Alcoholism • Atrophy • Deficiency disease • Depression • Disease • Disorders (types) • Drug abuse • Eating disorder • Foodborne illness • Malnutrition • Obesity • Smoking

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Lists (see for all subject areas)

Medicine: Acronyms in healthcare • Abbreviations (for medical organizations and personnel) • Alternative medicine • Clinical research • Drugs • Obstetrics • Psychiatric drugs (by condition treated) • Psychotherapies • Reference ranges for common blood tests • Sexology • Surgical procedures • Symptoms

Diseases: AIDS • Diabetes • Disabilities • Genetic disorders • infectious diseases • Mental illnesses • Notifiable diseases • Neurological disorders

Nutrition: Antioxidants in food • B vitamins • Diets • Food additives (Codex Alimentarius) • Fruit • Herbs and spices • Macronutrients • Meat • Micronutrients • Nootropics (smart drugs) • Poor nutrition • Seafood • Seeds • Vegetables

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Outlines (see for all subject areas)

See also: Biology (below)

Health – level of functional and (or) metabolic efficiency of a person in mind, body and spirit; being free from illness, injury or pain (as in “good health” or “healthy”). The World Health Organization (WHO) defined health in its broader sense in 1946 as "a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity."

Exercise – any bodily activity that enhances or maintains physical fitness and overall health and wellness. It is performed for various reasons including strengthening muscles and the cardiovascular system, honing athletic skills, weight loss or maintenance, and mental health including the prevention of depression. Frequent and regular physical exercise boosts the immune system, and helps prevent the "diseases of affluence" such as heart disease, cardiovascular disease, Type 2 diabetes and obesity.
Healthcare science – all the sciences related to the overall improvement of physical well-being of humans.
- Medicine – science and art of healing. It encompasses a variety of health care practices evolved to maintain and restore health by the prevention and treatment of illness.
  - General
    - Diseases
      - Diabetes –
  - Dentistry – branch of medicine that is involved in the study, diagnosis, prevention, and treatment of diseases, disorders and conditions of the mouth, maxillofacial area and the adjacent and associated structures (teeth) and their impact on the human body.
  - Obstetrics – medical specialty dealing with the care of all women's reproductive tracts and their children during pregnancy (prenatal period), childbirth and the postnatal period.
  - Psychiatry – medical specialty devoted to the study and treatment of mental disorders. These mental disorders include various affective, behavioural, cognitive and perceptual abnormalities.
    - Autism
    - Psychiatric survivors movement –
- Life extension – The study of slowing down or reversing the processes of aging to extend both the maximum and average lifespan.
- Nutrition – provision, to cells and organisms, of the materials necessary (in the form of food) to support life. Many common health problems can be prevented or alleviated through good nutrition.