Exercise is key to staying young, and this super food will power you through your gym sessions. In a study published in the journal Metabolism, test subjects who consumed rolled oats 45 minutes before exercising had a significant performance advantage over subjects who had puffed rice or water. (We digest these carbs slowly, which means that our energy stays high long after we eat them. Cool!) So grab a spoon and get ready to be propelled through your workout like a teen who just drank Red Bull.