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Eumelanin is the dominant form of melanin found in human skin. Eumelanin protects tissues and DNA from radiation damage by UV light. Melanin is produced in specialized cells called melanocytes, which are found in the lowest level of the epidermis. [85] Melanin is produced inside small membrane-bound packages called melanosomes.
Albinism is a congenital condition characterized in humans by the partial or complete absence of pigment in the skin, hair and eyes. Albinism is associated with a number of vision defects, such as photophobia, nystagmus, and amblyopia.
Melanin is an organic pigment that produces most of the colour seen in mammals. Depending on how it is created, melanin comes in two colour ranges, eumelanin (producing dark browns and blacks) and pheomelanin (producing light reddish tans and blondes). The dark and light melanins have their influence either alone or in conjunction, making ...
Given these dual effects, public health organizations emphasize the importance of striking a balance between the benefits and risks of UV exposure. They recommend avoiding sunburn at all costs and advocate for moderation in sun exposure to minimize the risks associated with UV radiation while still reaping its health benefits. [16]
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. "Skin pigmentation" redirects here. For animal skin pigmentation, see Biological pigment. Extended Coloured family from South Africa showing some spectrum of human skin coloration Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among ...
U.S. dietary guidelines define a moderate, low-health-risk alcohol intake as one drink or less per day for women and two or less for men. (That does not apply, however, to people who are pregnant ...
Skin lighteners' main health risks are linked to (i) The overuse of topical clobetasol, which can cause systemic steroid effects from daily usage, especially on broad skin regions; and (ii) concealed mercury content, which can lead to mercury poisoning depending on individual susceptibility.
Women may get more health benefits from regular exercise than men—even if they work out less ... which analyzed the exercise habits of more than 400,000 U.S. adults, found that compared to being ...