IE 11 is not supported. For an optimal experience visit our site on another browser.

Brain differences may be linked to obesity in children, new study says


About a third of U.S. children are overweight or obese, and now a new long-term study is pointing to a possible link between obesity in kids and brain differences that affect how they perform in school. NBC medical contributor Dr. Natalie Azar joins TODAY to tell you what you need to know.