The link between diet and acne is controversial. The American Academy of Dermatology concludes on its website that "acne is not caused by specific foods," but some scientists argue otherwise. For instance, a study published in 2008 in the journal "Current Opinion in Pediatrics" concludes that "nutritional studies have reevaluated a possible role for diet and lifestyle factors in acne development."
Recent studies suggest that the best foods for acne are those that don't contain dairy products or processed foods.
Foods to Avoid
According to the book "The Clear Skin Diet"--published by Dr. Alan Logan, a member of the Harvard Medical School's Mind-Body Medical Institute--and nutrition expert Valori Treloar, the best way to control acne is to minimize the consumption of processed foods, soda, sugar and milk.
Helpful Foods
In "The Clear Skin Diet," the authors say acne can be improved by eating more fiber, yogurt, and fruits and vegetables. In addition, they say it may help to eat more omega-3 fatty acids, which are found in nuts such as walnuts and flax seeds and in cold-water oily fish including salmon and mackerel.
Why Foods Can Effect Acne
Scientists don't know exactly why some foods can trigger or help acne. However, acne can be caused by increased levels of male hormones such as testosterone, and some foods may affect production of these hormones. Dairy, for instance, may worsen acne because milk from pregnant cows contains hormones that the human body can transform into testosterone.
References
- American Academy of Dermatology on diet and acne
- "Current Opinion in Pediatrics"; New insights into adolescent acne; Tom WL, Barrio VR; August 2008
- Website for "The Clear Skin Diet"
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