Allyn Mark

Talk of Iowa
2:36 pm
Wed August 15, 2012

The Science of Obesity

David D Flickr

Losing weight sounds simple in mathematical terms. Burning more calories than you consume equals weight loss, but reality is far more complicated. Host Charity Nebbe explores the science of weight loss with several doctors and nutrition experts to find out why it so difficult for some people to lose weight and why keeping the weight off can be a daily challenge.