Health Articles | August 21, 2009 Are you fed up and frustrated about having acne on your skin whether it's your face, back, neck or arms? You're not alone. Acne is a common skin disorder which affects people of all ages although it's usually more common in teenagers who suffer from hormonal changes, a major culprit for acne development. Adults too are not immune from acne. Unfortunately some teenagers who venture into adulthood can't seem to get away with acne and live with it even after becoming adults. It's of paramount importance to know how acne is triggered so that you can take the necessary steps to eradicate it and even prevent it. To give you an idea how acne emerges from your skin, you should know that your skin contains oil glands which are also known as the sebaceous glands. These glands produce oil which are necessary for the normal function of your skin. But sometimes, the sebaceous glands manufactures excessive oil due to hormonal changes, poor diet, ...