When a team of nutritionists and dermatologists reviewed the scientific connection between food and skin, they came away with a pretty compelling case against a high-glycemic diet
. Eating a lot of sugar (raisins, soda, honey, agave nectar) or simple carbs (bagels, pasta, cupcakes) can throw off your insulin levels, which can lead to inflammation both inside the body as well as on your face, explains Dattner. (Bonus: Giving up sweets and starches can also help you lose weight).
Dattner suggests that those plagued by pimples avoid sugary cereals, which often have a higher glycemic index than both sugar and simple carbs alone.