More on the Supposed Youth Pill
A new study helps the case for a supplement known as NR, but it’s not yet a slam dunk.
This Anti-Aging Injection Might Actually Work
Stem cells are overhyped as a cure for everything. But they’re finally showing promise in making elderly people stronger.
So Should I Eat Apples, or Not?
Two different microbiome tests give me conflicting dietary advice. Only one lets me verify the science behind it.
Power to the Patients
Racing against his own genetic disorder, Onno Faber is giving people with rare diseases the tools to make medicine work for them.
When a Double-Chocolate Brownie is Better for You Than Quinoa
A $299 microbiome test from DayTwo turns up some counterintuitive dietary advice.
What Are Your Genes Telling You to Eat?
Companies are using your DNA to customize a diet plan. If it works, it might not be for the reasons advertised.
What if Number 2 Makes You Number 1?
Elite athletes have a greater variety of bacteria in their guts than couch potatoes do, raising the prospect of “poop doping.”