Is Stress the Major Cause of Acne?

Is Stress the Major Cause of Acne?
There are so many teenagers that face the problems of acne every day. The plain fact is all those youngsters who face these acne problems suffer from day to day embarrassment. Those who have acne do not feel that this is a milder problem as it causes loads of stress to them and hurts their self-esteem. Now, the question that arises here is that whether stress can be considered as the major cause of acne.
Source: EzineArticles.com