Is Fluoride in Our Drinking Water Safe?

Most of us assume major brain decline and memory loss are inevitable as we age, but research shows that’s not the case. So what does it take to keep your brain healthy and even help it grow? Dr. Sanjay Gupta talks to neurologist and neuroscientist Dr. Majid Fotuhi about his new b ...  Show more

Whether it’s a cultural custom or hygiene preference, many households keep a strict no-shoes policy. But, how much healthier does it really keep us? Dr. Sanjay Gupta gets to the bottom of your shoes -- literally. Plus, tips on how to manage stress and anxiety when the news cycle ...  Show more

Florida just became the second state to ban fluoride from its water system, which has made some public health experts pretty angry. Just how risky is fluoride really, and why is it so hard for us to get on the same page? Guest: Emily Oster, professor of economics at Brown Univers ...  Show more

In last week’s episode, we traced the history of fluoridation (and the anti-fluoridation movement) to its roots in the early 20th century, but we left you wondering whether there’s anything to back up the health claims that anti-fluoridationists make. Today, we get deep into the ...  Show more

It’s everywhere, but should it be? 

The battle over whether we should be putting fluoride in our water has reached fever pitch. We’ve got U.S. Health Secretary Robert F. Kennedy Jr. and anti-fluoride activists saying it’s a neurotoxin that’s lowering our IQs. But supporters say that fluoride is a safe and effective ...  Show more