By creating an account, you acknowledge that PBS may share your information with our member stations and our respective service providers, and that you have read and understand the Privacy Policy and Terms of Use.
You have the maximum of 100 videos in My List.
We can remove the first video in the list to add this one.
Season 5 Episode 4 | 4m 38s
| Video has closed captioning.
An intermittent fasting diet is one of the hippest new nutrition and fitness philosophies, based around the idea that going hungry can be good for your health. Some think it’s a weight loss secret that calls upon our ancient evolutionary programming. We look at the science behind intermittent fasting.