steak, increases the risk of early death by 12%. come on. is this really as bad as it sounds? dr. marc siegel, fox news medical a-teamer and a professor of medicine at nyu, jon and i are, obviously, not vegetarians. come on, doc, a little itty bitty hamburger, that can't be that bad. >> it's not as bad as you're making it sound. this is about eating red meat every single day over more than 20 years, and they looked at health professionals, over 80,000 women, over 30,000 men, and they found it increased the chance of dying by 7-19% of cancer, heart disease and ore causes. if you had red meat every day. jenna: every single day. >> and i'm going to tell you, if you can fit the red meat that you eat into your hand, this amount, and you have it once or twice a week or less, i'm not going to think the same findings would be had. now, what they really found is if you replace the red meat with chicken or fish or grains or