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 way to protect our teeth from cavities, and that stopping water fluoridation wo ... Show More
Sep 10
Where Have The Insects Gone?? With Dr. Jessica Ware
Bugs are disappearing at alarming rates, scientists are telling us. Bees, butterflies, beetles: all of them have been dropping like flies. And scientists say there are a bunch of reasons to care about this — for example, fewer bugs means less pollination, which means less pasta i ... Show More
45m 53s
Sep 3
Protein-Maxxing: Is It Actually Bad For Us?
Protein is everywhere — tons of us are trying to cram more of it into our diets, and it's showing up in our lattes, our snack bars, even our popcorn. But just as we’re getting on board with protein-maxxing, a bunch of headlines have started saying the opposite: that eating LESS p ... Show More
31m 11s
Aug 27
Sunscreen: Could It Be Toxic??
Sunscreen is supposed to protect us from dangerous stuff like cancer, but all over social media, people are saying that we’ve been getting it all wrong. We’re being told that our sunscreen is full of toxic chemicals, that wearing it could mess with our vitamin D levels — even tha ... Show More
50m 52s
Jun 2025
Ep 178 Fluoride 1: The real tooth fairy
Is it just us, or does it seem like every other week there’s a new headline about some state or town banning water fluoridation? As it turns out, this has been going on for decades, basically since fluoride was first introduced. Why are some people opposed to fluoride? Is there a ... Show More
1h 2m
May 2025
Are we sure about fluoride?
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
29m 24s
Sep 2024
Why do we use fluoride on our teeth?
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<p>Chances are you've heard the word "fluoride" said in reference to your teeth. At the dentists office, on your bottle of mouthwash, maybe you've heard it's in tap water? But what is it, what's so special about it, and how does it help our ... Show More
30m 7s