Environmental exposures & health scares

Organic food costs more, but does it make you healthier or help the environment? What the pesticide, nutrition, and farming yield evidence actually shows.

Cold showers, vampire facials, EMF meters, vibration plates, psyllium, salt lamps, farmed salmon, turmeric and more, sorted by what the evidence actually shows.

Do artificial sweeteners cause weight gain or cancer? What the observational data, randomized trials, and the ugly aspartame approval story actually show.

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.