emeritus of nutrition for starters and public health at new york university and bestselling author reza nestle and i'm such a big fan of yours thank you very much for it means jobs yards i'm very happy to be here thanks. now for most of our international audience the u.s. dietary guidance nate come across as these obscure boring manuscript that has little or no impact on that own lives but i happen to believe that this is actually one of the most impactful public health documents in the world with influence often harmful influence spawning far beyond the united states is that an exaggeration well if it doesn't summarize or not others really know what healthy diets are dietary recommendations have not changed since the 1st recommendation started getting issues for chronic disease prevention in the 1950 the basic dietary recommendations are balanced calorie j. date a lot of fruits and vegetables and to avoid foods that have a. special rated set salted sugar in the day to guidelines for americans who sit at the end every 5 years since 1980 s. and the new ones are going to say exactly the same thi