Health effect

Health effects (or health impacts) are changes in health resulting from exposure to a source. Health effects are an important consideration in many areas, such as hygiene, pollution studies, occupational safety and health, ([nutrition]) and health sciences in general. Some of the major environmental sources of health effects are air pollution, water pollution, soil contamination, noise pollution and over-illumination.^{[citation needed]}

A non-stochastic or deterministic health effect has a severity that is dependent on dose and is believed to have a threshold level for which no effect is seen. Stochastic health effects occur by chance, generally occurring without a threshold level of dose, whose probability is proportional to the dose and whose severity is independent of the dose, such as cancer and genetic effects. Occasionally, lack of exposure to certain effectors has detrimental consequences on an individual's health. Examples of such effectors include sunlight and exercise.

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Nuclear Regulatory Commission - Glossary

v t e Health effects of food, drink, and use of natural substances
Food	Chocolate Dairy Honey Red meat Salt Saturated fat Trans fat Sugar Fructose Ultra-processed food
Drink	Alcohol Coffee Tea Wine
Phytochemicals	Caffeine Natural phenols and polyphenols (including tannins)
Other	Cannabis Noise pollution Pesticide exposure Sawdust exposure Sun exposure Tobacco

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