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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 ...
Photosensitivity in humans. Light sensitivity or photosensitivity refers to a notable or increased reactivity to light. Apart from vision, human beings have many physiological and psychological responses to light. In rare individuals an atypical response may result in serious discomfort, disease, or injury. Some drugs have a photosensitizing ...
Whether you're looking for a sunscreen that's kid and baby safe, or want something free of chemicals for your sensitive skin, mineral sunscreens are the way to go. Dr. Ashley Magovern ...
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 ...
Taking a red-eye flight definitely has its advantages: flying overnight means that you don't lose a day traveling, which means more time to see everything your destination has to offer (or that ...
Homicide. Human cannibalism is the act or practice of humans eating the flesh or internal organs of other human beings. A person who practices cannibalism is called a cannibal. The meaning of "cannibalism" has been extended into zoology to describe animals consuming parts of individuals of the same species as food.
Environmental Exposure. Drastic weather changes are a common cause of dry skin. Extremely cold weather can make it more difficult for your skin to retain moisture. Low humidity in the air creates ...