All of us probably remember being told, "Don't worry, you'll grow out of it," when we had bouts of acne as teenagers. The truth is, though, that not everybody grows out of acne. In fact, acne can even begin in adulthood and, among women, even after menopause as estrogen levels decline. In addition to physical symptoms, acne sufferers often present psychological symptoms related to the condition like depression, stress, and low self-esteem...