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Adolescent acne is usually brought on by: A. changes in diet. B. changes in the lymphoid system. C. sexual frustration. D. increased activity of oil and sweat glands

/in /by

Adolescent acne is usually brought on by:

A. changes in diet.
B. changes in the lymphoid system.
C. sexual frustration.
D. increased activity of oil and sweat glands

 
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