



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? What are the differences between tick-borne illnesses, and which ones do you really need to watch out for? Is Lyme disease a bioweapon? And how …

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 nail. What is fluoride? When did we start putting it into the water? Do we still need to? Is there any …

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. Why has gluten gotten such a bad rap lately? Is it really responsible for all the ailments it's blamed for? When is an allerg…

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? Specifically, with respect to vitamin D and sunscreen, two oddly controversial topics in the wellness space. How much sun should we sa…

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? How much should we, or should we not, safely be drinking? Why are studies about responsible consumption such hot, noisy garbage? And does everything al…

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? Does it replenish itself postpartum? Do women ever actually "bounce back"? What's all this change in the service of, exactly? And, mo…

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? How do you know when yours is too high? Too low? Is it ever really worth measuring? And you guys, what did Mendelian ra…

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? How have vaccines and an incredible array of potential medical treatments managed to unlock its magic? And what are the conspiracy theories that have been standing in the wa…

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? (Yes.) Will it be something you should be worried about? (Almost always no.) But what if that one time it's the one thing that en…

What's the deal with sleep?
This week, Emily and Perry tackle the weirdest, most wonderful thing all living things do: sleep. If evolution has forced us to be completely vulnerable for eight hours at a stretch, there must be a darn good reason. So what is actually happening to our brains when we sleep? What disrupts it, and h…