Are foods with dyes and preservatives really driving us to the grave? Can coffee cause any diseases? Is a long shelf life good or bad for products? How much sunscreen should be used so that it brings benefits and not harm? Qualified chemist and popularizer of non - boring science George Zaidan offers an interesting study: what we eat, drink, what we breathe and how various substances (from caffeine to GMOs) affect the body. George Zaidan is a chemical scientist, television host, and web host who has written and voiced several viral TED - Ed videos. He created National Geographic's Ingredients website and also managed MIT's Science Out Loud website. His work has been featured in The New York Times, Forbes, The Boston Globe, National Geographic Magazine, Science, and more. George Zaidan is currently an executive producer at the American Chemical Society.