Walter Willett

Dr. Walter Willett, the most cited nutritionist in the world, discusses nutrition science successes like banning trans fats, the biggest problem in our diet, conflicting information on what to eat, and more.

Walter Willett, Chair of the Harvard T. H. Chan School of Public Health's nutrition department, discusses the controversy surrounding antioxidant supplements. He highlights conflicting evidence from randomized trials and emphasizes that while antioxidants may have some benefits, they are not a guaranteed solution to diseases.