Article: Skin Health; Key Q&A.

* What causes acne?

Acne is caused by genes and male hormones called androgens, which women have, too. Hormones are a major influence on acne. That's why you usually don't see acne before puberty. Bacteria contribute to acne--which is why either oral or topical antibiotics help. Greasy ointments, perspiration, headbands and other things that can plug up pores make acne worse. Stress may also make it worse. What you eat is generally not a major contributing factor to developing acne.

* Are tanning beds safer than the sun?

No. Tanning beds not only inflict the same type of skin and eye damage as the sun, but also may be as much as 20 times ...

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