Does Your “Filtered” Water Still Have Fluoride?
Episode 13 min 56s

Does Your “Filtered” Water Still Have Fluoride?

A simple question about your filtered water leads to some surprising truths about fluoride. Then: what to eat to keep your brain sharp—Dr. Sanjay Gupta shares the best foods for your memory. Learn more about your ad choices. Visit podcastchoices.com/adchoices

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