If a stressful moment sends you staight to the cookie jar, it may be all in your head literally. A certain stress hormone released in the brain may actually triple cravings for sweet treats and explain why some people are prone to binge eating when they're feeling anxious, says a new study in the journal BMC Biology. For a sugar fix that won't break the bank, try keeping lollipops on hand to help you cope in times of angst.