Environmental exposures & health scares

Canola, soybean, and corn oil are accused of causing inflammation, obesity, and worse. Here's what the randomized trials and biobank data actually show.

Ticks infect you, poison you, or rewire your immune system. What the evidence says about Lyme, Powassan, alpha-gal, chronic Lyme, and the new vaccine.

Fluoride in tap water: how it protects teeth, what happens when towns stop, and whether the IQ studies hold up at the 0.7 ppm levels used in the US.

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.

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

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.

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.