Experiencing acne breakouts on your chest and body, even during the winter months? Thick clothing can cause the body to perspire, then trap moisture against skin -- an environment that's conducive to acne-causing bacteria, says Dr. Heidi Waldorf is an associate clinical professor of dermatology at The Mount Sinai School of Medicine in New York City. She is also director of Laser and Cosmetic Dermatology at The Mount Sinai Medical Center.
