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Exposure of skin to ultraviolet radiation from sunlight presents both positive and negative health effects. On the positive side, UV exposure enables the synthesis of vitamin D3, which is essential for bone health [1] and potentially plays a role in inhibiting certain cancers. [2][3] While vitamin D can also be obtained through dietary ...
A visible tan line on a woman whose skin has been darkened by ultraviolet exposure, except where covered. Sun tanning or tanning is the process whereby skin color is darkened or tanned. It is most often a result of exposure to ultraviolet (UV) radiation from sunlight or from artificial sources, such as a tanning lamp found in indoor tanning beds.
Yearly (spring/summer), females>males [3] Polymorphous light eruption (PLE) presents with itchy red small bumps on sun-exposed skin, particularly face, neck, forearms and legs. [1] It generally appears 30 minutes to a few hours after sun exposure and may last between one and 14 days. [3] The bumps may become small blisters or plaques and may ...
The health benefits of sunlight may outweigh the risks of skin cancer in gloomier parts of the UK, research suggests. Scientists from the University of Edinburgh found exposure to higher levels of ...
UV exposure from the sun can damage much more than just your skin's appearance, according to Dr. Robin Levin, a dermatologist from South Jersey Skin Care & Laser Center. Sun exposure can cause ...
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Psychiatry. Seasonal affective disorder (SAD) is a mood disorder subset in which people who typically have normal mental health throughout most of the year exhibit depressive symptoms at the same time each year. [1][2] It is commonly, but not always, associated with the reductions or increases in total daily sunlight hours that occur during the ...
Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure. The second and subsequent exposures produce photoallergic skin conditions ...