Detailed text transcripts for TV channel - MSNBC - 20150510:16:54:00
Based on her research and self-control and the psychology of weight loss. tracy with a welcome you to, we'll get right to this. i know you say there are three biological, physical changes happening when you diet. what are they? >> that's right. so when not enough calories come in to your body your body doesn't know that you're trying to lose weight. your body think you're in some sort of situation where there's not food around. and you're in danger of starving to death. so it sets into motion what i call biological starveation mode. what happens first of all, your body makes changes so you can...