By Jane Neiheisel
Acne is an occasional nuisance for some. For approximately 17 million others in the United States, it is a chronic health problem. Persistent acne can lead to social anxiety, depression and low self-esteem. Pimples can become red and inflamed, often causing pain and occasionally becoming infected. In its most severe form, acne can cause permanent scarring.
Acne is caused by a combination of three factors: 1) Sebum, or oil, which is produced by our skin as a natural lubricant, 2) Hormones, specifically testosterone, which increase rapidly during puberty and 3) Bacteria called Propionibacterium acnes, which exists as part of the skin’s normal flora. This explains why the poster child