Research topic: acne

acne common inflammatory disease of the hair follicles and sebaceous glands characterized by blackheads , whiteheads, pustules, nodules and, in the more severe forms, by cysts and scarring. The lesions appear on the face, neck, back, chest, and arms. There are several types of acne, including tropical acne, a condition of light-skinned people who are exposed to unaccustomed heat and humidity, and chloracne, a form resulting from exposure to chlorinated hydrocarbons. The most common type is acne vulgaris, a form prevalent among adolescents. Although its exact cause is not known, it is... Read more