Lactose intolerance is rare in the U.S., but worldwide it's way more common. Learn what causes this and how researchers explain the divide in this episode of BrainStuff.

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<p>Lactose intolerance is rare in the U.S., but worldwide it's way more common. Learn what causes this and how researchers explain the divide in this episode of BrainStuff.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

BrainStuff

Are Humans Built to Drink Milk as Adults?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/b67f1c39-07c7-4b81-b0d2-ae320041e62c/transcript