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What causes acne?

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The exact cause of acne is not known, but one important factor is a jump in hormones called androgens. The amount of these male sex hormones go up in both boys and girls during puberty.

Some things that can make acne worse include friction caused by leaning on or rubbing the skin, harsh scrubbing, picking or squeezing blemishes, and emotional stress. Acne is not caused by chocolate or other kinds of foods.

From: Frequently Asked Questions About Skin WebMD Medical Reference

SOURCE:  American Academy of Dermatology.

Reviewed by Debra Jaliman on August 27, 2019

SOURCE:  American Academy of Dermatology.

Reviewed by Debra Jaliman on August 27, 2019

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What can make lumps and bumps appear on your skin?

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