Episode Articles

Sunscreen doesn't cause cancer, vitamin D pills don't do much, and sunlight does help mood. A nephrologist sorts the sun evidence from the Instagram noise.

The evidence on light to moderate drinking, from cancer and heart disease to sleep, and why most warnings about a single glass rest on weak data.

Does pregnancy actually change your brain? A nephrologist breaks down the 5% shrinkage, memory effects, postpartum depression, ADHD, and what to check.

Cortisol gets blamed for belly fat, heart disease, and burnout. The evidence says most of that is wrong. Here is what the data actually shows about cortisol.

mRNA is the most misunderstood molecule in your cells. Here's what it does, why the COVID vaccine timeline was so fast, the real myocarditis risk, and what comes next.

Full-body MRI scans like Prenuvo promise early cancer detection. Here's what the data says about incidentalomas, overdiagnosis, and whether you should get one.

Most adults need about 7 hours of sleep. Here's what really helps insomnia, why sleep apnea is underdiagnosed, and what sleep trackers can and can't tell you.

Hypoactive sexual desire disorder is a real diagnosis with FDA-approved drugs. Here is what the evidence on Addyi, Vyleesi, and testosterone actually shows.

A nephrologist breaks down what cupping and dry needling actually do, what the studies show, and where the real risks are, from bruises to collapsed lungs.

A nephrologist breaks down what the evidence on red meat, saturated fat, LDL, and cancer risk actually says, and where the science gets oversold.

Methylene blue is the wellness world's newest darling. I'm a nephrologist. Here's what the evidence actually shows about energy, memory, mood, and risk.

A rigorous look at what psychedelics like psilocybin, MDMA, and ibogaine actually do to the brain, and whether the data supports the hype around mental health.

Bovine colostrum is everywhere in wellness marketing. Here's what the evidence actually shows about performance, immunity, leaky gut, and safety.

A nephrologist breaks down testosterone replacement therapy: who actually benefits, what the trials show, the real risks, and why most claims are overblown.

A nephrologist breaks down hormone replacement therapy: what the Women's Health Initiative really showed, who benefits, and what HRT can and can't do.

A nephrologist breaks down whether continuous glucose monitors help non-diabetics, what the evidence shows on spikes, and when a CGM is worth $50.

A Yale nephrologist breaks down the evidence on protein intake: how much you need, what it does for muscle and weight loss, and when more is too much.

Creatine is everywhere right now. Here's what the randomized trials actually show about muscle gains, brain benefits, kidney safety, and hair loss.

Regenerative medicine clinics sell stem cell injections for knees, wrinkles, and more. Here's what the data actually shows, and what you're really getting.

Microplastics are in our food, our dust, and apparently our brains. But does the evidence actually show they're hurting us? A doctor breaks down what we know.

Red light therapy is sold for wrinkles, hair loss, muscle recovery, and mood. Here's what the evidence actually shows, and where the claims fall apart.

A nephrologist's honest look at GLP-1 drugs like Ozempic and Zepbound: weight loss, muscle loss, weight regain, side effects, and what we still don't know.

A Yale physician breaks down the real evidence on cold plunges and saunas, from athletic recovery to cardiovascular health, detox claims, and safety.

Peptides like BPC 157 and the "Wolverine stack" are everywhere on social media. Here's what the evidence actually shows, and where the real risks are.

Sperm counts have dropped over the past 50 years, but the cause isn't cell phones, soy, or laptops. Here's what the evidence actually says.