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Emily Oster

Brown University economist; author of "Expecting Better"; founder of ParentData

The latest interviews, podcast appearances, and blog posts from Emily Oster, updated daily.

All46Video7Podcast21Post18Content from April 2026 onward
4 days ago
Sep 17

What's the deal with artificial sweeteners?

This week, Emily and Perry dive into the sweet, calorie-free world of artificial sweeteners. What poor lab hygiene brought them into existence? Do they actually make us fatter and/or cause cancer?

Wellness, Actually with Emily Oster & Perry Wilson, MD
11 days ago
Sep 10

What's the deal with seed oils?

This week, Emily and Perry dive into the slippery world of seed oils.

Wellness, Actually with Emily Oster & Perry Wilson, MD
18 days ago
Sep 3

What's the deal with poop?

This week, Emily and Perry are bravely tackling one of our most beloved bodily functions, polite company be damned: poop! Is it, as Emily asks, truly the window to our souls?

Wellness, Actually with Emily Oster & Perry Wilson, MD
5 weeks ago
Aug 20

What's the deal with ticks?

This week, Emily and Perry explore the creepiest, crawliest topic yet: ticks! What's the deal with these little bloodsucking jerks? How do they infect us?

Wellness, Actually with Emily Oster & Perry Wilson, MD
6 weeks ago
Aug 13

What's the deal with fluoride?

This week, Emily and Perry take on fluoride, a mineral with proven benefits for your teeth and an army of skeptical influencers ready to fight their municipal water supplies, (weakened) tooth and…

Wellness, Actually with Emily Oster & Perry Wilson, MD
7 weeks ago
Aug 6

What's the deal with gluten?

This week, Emily and Perry explore gluten, the protein responsible for everything that makes bread, bagels, pasta, and all of their other favorite foods chewy and delicious.

Wellness, Actually with Emily Oster & Perry Wilson, MD
8 weeks ago
Jul 30

What's the deal with the sun?

This week, Emily and Perry discuss the Sun. Sure, it’s necessary for life on earth and occupies over 99% of our solar system’s mass, but seriously, what’s its deal?

Wellness, Actually with Emily Oster & Perry Wilson, MD
2 months ago
Jul 23

What's the deal with alcohol?

This week, Emily and Perry raise a glass to alcohol: the cause of, and solution to, all of life's problems. How does it actually affect our brains?

Wellness, Actually with Emily Oster & Perry Wilson, MD
2 months ago
Jul 16

What's the deal with pregnancy brain? (feat. Allison Williams)

This week, Emily and Perry are joined by actress Allison Williams to discuss all things pregnancy brain. Are the fog and forgetfulness due to actual brain shrinkage?

Wellness, Actually with Emily Oster & Perry Wilson, MD
2 months ago
Jul 9

What's the deal with cortisol?

This week, Emily and Perry take on cortisol, the much-maligned stress hormone blamed for heart attacks and stubborn belly fat. But how much heat should cortisol really be getting?

Wellness, Actually with Emily Oster & Perry Wilson, MD
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