CNN Sanjay Gupta MD June 8, 2014 11:32:00
Vegetables, yell red and green. bok choi, mustard beans, san leandro to re, parsley, spinach, arugula and aspar gas and i'm out of breath. >> reporter: there has been a push for four decades to get americans to eat less but a new book by nina taisholz challenges the science behind the idea red meat is bad. >> it's a dangerus book, telling people what they want to hear, not what's true. >> reporter: dr. dean ortnish helped president clinton recover from a heart disease. >> the healthiest way to eat is the degree to move towards a whole foods plant-based diet. we know that bus even people who ha...