Acne

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Acne is a skin disorder that occurs most commonly among teen-agers. It consists of various kinds of blemishes, mainly on the face, upper chest, and back. A few blemishes are normal, but severe acne may result in permanent scarring. Some teen-agers find severe acne so distressing that they develop emotional problems.

Impetigo

Impetigo, ihm puh TY goh, is a contagious skin infection that chiefly afflicts children. The infection causes blisters filled with pus to erupt on… See more »

Keratin

Keratin, KEHR uh tihn, is a tough, insoluble protein found in the outer layer of the skin of human beings and many other animals. This outer layer… See more »

Baldness

Baldness is the partial or total absence of hair on the scalp. Some thinning of the scalp hair takes place as a normal part of the process of… See more »

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Acne

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