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

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…

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.

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?

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?

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?

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?

What's the deal with mRNA vaccines?
This week, Emily and Perry explore RNA, a tiny molecule of extraordinary potential. What is it? How is it different from DNA?

What's the deal with full body scans?
This week, Emily and Perry debate full body scans: MRIs that scan your entire body like a giant humming hammer in search of nails. Will it find something wrong with you?

What's the deal with sleep?
This week, Emily and Perry tackle the weirdest, most wonderful thing all living things do: sleep.

What's the deal with hypoactive sexual desire disorder (HSDD)?
This week, Emily and Perry are coming in hot to discuss the existence of sex, specifically whether or not women have a DSM-5-designated disorder when they don't want it, or if that's a pathology…