Within two hours of consuming citrus, your DNA becomes significantly more resistant to damage,29 which may help explain why citrus consumption is associated with lower risk of breast cancer.30 Some of the citrus compounds thought responsible—which concentrate in the breast31 and enhance DNA repair 32—are found in the peel, though. This may be why people who eat at least some citrus peel appear to have lower skin cancer rates than those who don’t.33
