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.
 Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

Are Humans Built to Drink Milk as Adults?

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.

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Are Humans Built to Drink Milk as Adults?

Are Humans Built to Drink Milk as Adults?