Acne vulgaris can be an embarrassing subject. The causes of acne, especially in adults, might really surprise you. For many years, people believed that acne was caused by eating too much chocolate or by a lack of good hygiene.

Were your preteen or teenage days filled with worry over acne and pimples?

Right before a big date, a dance, or the day you had to take a picture for your school's yearbook, you experienced an acne outbreak and you were an emotional and mental wreck.