Pigmented birthmarks are generally white, brown, black, blue, or gray ... If a person has lighter or darker skin patches, this may signify a skin pigmentation disorder. Type of skin pigmentation ...

Acanthosis nigricans (pronounced: ah-kan-THO-sis NY-gruh-kans) is a skin disorder that results in velvety, light-brown-to-black patches or marks that occur in areas of your skin that has folds ...

White skin, for example, was reported to be more resistant to cold weather, although groups like the Inuit are both dark and particularly resistant to cold. After the 1970s, when researchers were ...

Varying positivity rates between skin of color and White patients are observed, emphasizing the need to capture patch testing trends in these populations. Compared with White patients, Black ...