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 University and CEO of ParentData For show transcripts, go to ⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠ For more, go to ⁠⁠⁠⁠⁠vox.com/unexplainable⁠⁠⁠⁠⁠ And please email us! ⁠⁠[email protected]⁠⁠ We read every email. Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: ⁠⁠⁠⁠⁠vox.com/members⁠ Learn more about your ad choices. Visit podcastchoices.com/adchoices