The larger red lumps are quite painful.
Acne occurs during the adolescent and young-adult years.
Acne is due to an overactivity and plugging of the oil glands. The main cause of acne is increased levels of hormones during adolescence. Acne is not caused by diet. A person who has acne does not have to avoid eating fried foods, chocolate, or any other food. Acne is not caused by sexual activity.