Twin studies aren't just for twins. They're a paradigm for all of us, a way to explore an old question: how much are we shaped by our genes, and how much by our environment?

What Twins Tell Us

We'll help you cut through all the nutrition noise and figure out how to eat healthy — without having to think about it too much.

Health & Fitness

There are so many food tribes out there — everything from vegan to keto. We help you understand how to choose a diet approach that's right for you.

Choose The Best Diet For You

Life Kit is excited to bring you more episodes but we're making some changes to how we organize things. Starting in the new year, this three-part guide will disappear, but all of the episodes will still be available — they are just moving to our main Life Kit feed. Search your podcast app for Life Kit from NPR and subscribe so you never miss an episode.

Special Announcement From Life Kit

Carbs get a bad rap. Here's the science behind why eating too much starch isn't good for you — and tips to eat carbs wisely. (You don't have to give them up!) Recipes inside!

The Truth About Carbs And Calories

So many food labels proclaim their eco-virtues these days — organic. Pasture-raised. Cage-free. Non-GMO. What do they actually mean? Here are six ways to make sense of it all.

Free-Range Food Labels: Can My Groceries Really Help The Planet?

Placebos belong in clinical trials, not in the doctor's office. That's the conventional wisdom, anyway. This week, we ask what placebos might teach us about healing.

What Twins Tell Us

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