Oh, sugar! If this time of year has you rethinking your diet, there is one surefire change you can make to improve health: Cut back on sugar. Farrukh/Flickr hide caption

itoggle caption Farrukh/Flickr

The 7-Day Color Diet: An attempt to get people to eat more fruits and vegetables, this diet requires followers to eat foods of just a single color each day. It ends with a day in which you "eat the rainbow," so to speak. Here's Gonot's cheeky take on orange day. Stephanie Gonot/Courtesy of the photographer hide caption

itoggle caption Stephanie Gonot/Courtesy of the photographer