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Sugary foods & drinks

Sugary foods trigger the body to produce a surge of the hormone insulin, helping cells to absorb the sugar. This burst of insulin has been shown to contribute to acne. Nicholas Perricone, the expert behind many books on healthy skin and a skin-care line, explains that digested sugar attaches to the collagen in skin, contributing to aging, acne and other skin problems such as rosacea.Mario Tama/Getty Images