Yet another study took a look at the difference in rates of acne in first-degree relatives between patients and controls. The study used 204 acne patients, and 144 non-acne controls. Their study determined that having a first-degree relative who suffers from acne increases the risk of getting acne by four times. Genes play a role in several ways: firstly, they contribute to skin sensitivity. Acne-prone skin is more susceptible to oil production, and tends to shed and regenerate skin cells faster. Those prone to acne also exhibit strong inflammatory responses to skin irritants and bacteria in comparison to those who don’t have issues with acne.
Drink plenty of water and follow a balanced diet. Although eating healthily and staying hydrated isn't going to magically make acne scars disappear, it will allow your body to perform at its best and help skin to heal itself. Water will flush toxins from the body and keep skin looking plump and firm, so you should aim to drink 5 to 8 glasses a day. Vitamins such as A, C and E will also help to feed the skin and keep it hydrated.
Drugs: Some medications may cause or worsen acne, such as those containing iodides, bromides, or oral or injected steroids (either the medically prescribed prednisone [Deltasone, Orasone, Prednicen-M, Liquid Pred] or the steroids that bodybuilders or athletes sometimes take). Other drugs that can cause or aggravate acne are anticonvulsant medications and lithium (Eskalith, Lithobid). Most cases of acne, however, are not drug related.