physician such as myself or i tell you why don't you just eat salads the rest of your life. that's advice no one is follow. it's not just medical advice. it's also advice that makes sense. you know if i want i can go in and share this food swap on my social network. this propagates through the network about. >> i love this! can i use this now? >> absolutely. go to usablehealth.com and use it today. >> what does a skinny guy like you know about food? i like this stuff. this stuff is fantastic. the ceo of usable health, we'll link to it on my blog page. we have a drink in the studio that is 9,000 years old sort of. stand by. ♪