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
Illustration by Tim Robinson for NPR

Front-loading your calories may help you lose weight. Gaelle Cohen/iStockphoto.com hide caption

itoggle caption Gaelle Cohen/iStockphoto.com