JAMA
A Third of People With Asthma Might Not Actually Have It
It's often confused for allergies, acid reflux, and more.
Your Heart Rate Monitor Is Nonsense, Study Says
The FitBit monitor was 24 heartbeats over or 39 beats under most of the time.
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The One Strange Trick That Will Help You Live Longer: Have a Bunch of Money
A new study showed that the wealthy are living longer than the poor—but the size of that life expectancy gap varied wildly depending on where they lived. What are cities like New York doing for the poor other places aren't?
This New Bionic Leg Makes Stairs and Slopes No Obstacle
"You don't have to think about walking with this leg."