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Health effects of sunlight exposure. Exposing skin to the ultraviolet radiation in sunlight has both positive and negative health effects. On the positive side, exposure allows for the synthesis of vitamin D 3. Vitamin D has been suggested as having a wide range of positive health effects, which include strengthening bones [ 1] and possibly ...
The field strength of electromagnetic radiation is measured in volts per meter (V/m). [ 2]: 139. The most common health hazard of radiation is sunburn, which causes between approximately 100,000 and 1 million new skin cancers annually in the United States. [ 3][ 4] In 2011, the World Health Organization (WHO) and the International Agency for ...
Fluorescent lamps with magnetic ballasts flicker at a normally unnoticeable frequency of 100 or 120 Hz (twice of the utility frequency; the lamp is lit on both the positive and negative half-wave of a cycle). This flickering can cause problems for some individuals with light sensitivity [1] and are associated with headaches and eyestrain.
The Washington Post editorial board rejected Vice President Kamala Harris' economic proposals, telling readers instead of offering a substantive plan, she "squandered the moment on populist gimmicks."
What vitamins should not be taken daily? There can be too much of a good thing, which is why health experts want consumers to be wary of regularly taking supplements that medical pros haven't told ...
Healthy candy is a misnomer, experts say. While candy can be part of a healthy diet, in moderation, it does not count as a health food, says Jay — even if it's sugar-free or low-calorie. "Some ...
Light pollutionis the presence of any unwanted, inappropriate, or excessive artificial lighting. [1][2]In a descriptive sense, the term light pollutionrefers to the effects of any poorly implemented lighting sources, during the day or night. Light pollution can be understood not only as a phenomenon resulting from a specific source or kind of ...
In fact, experts largely agree that drinking red wine frequently could detract from our health. Alcohol is considered a known human carcinogen and has been linked to many cancers —including ...