At-home tests of the gut's microbiome are trending, but doctors say the technology is getting ahead of medical knowledge ...

Physicians sometimes do use clinical stool testing, but typically for targeted reasons—like infections, antibiotic ...

Biohackers live by the mantra, “Test, don’t guess” — figure out how well your cells and organs are aging, so you know the lifestyle changes to make and the supplements to take for a longer, healthier ...

The doctor is in — the mailbox, that is. You can now do self-administered tests for everything from thyroid function to HIV in the privacy of your own home — and that list continues to grow, as the ...

The Hormometer is an at-home test that lets you measure cortisol and progesterone levels. The Hormometer is an at-home test that lets you measure cortisol and progesterone levels. is a senior reporter ...