Should I do a juice cleanse? Do I really need eight glasses of water a day? Is it actually possible to "boost" my immune system? You're constantly bombarded with news stories, ads and social media posts telling you how to optimize your health -- but a lot of these sources that pretend to be backed by science have another agenda. Dr. Jen Gunter is here to bust the lies you're told -- and sold -- about your health, debunking some of the stickiest myths out there while helping you to understand how your body really works.