Experts discern whether at-home microbiome kits are science-backed or just full of sh*t.

Plus, how to get ahead of a diagnosis.

Get the scoop on your poop.

Your most pressing prostate exam questions, answered.

What it is, why you should care, and how to find a doctor who embraces it.

The assessments claim to reveal your risk of chronic disease and estimated biological age. But do they deliver?

BMI is out. DEXA is in.

I’ve, once again, been schooled by a lifespan calculator.

7 numbers to know and what they mean

Plus, which ones he’d recommend.

Contrary to what people believe, a genetic test does not give you all the information.

“I think there’s over-testing going on.”