Duke University

'Exercise hormone' irisin may be a myth

The discovery of the "exercise hormone" irisin three years ago and more than 170 related papers about it since have been called into question by recent research showing they were based on flawed testing kits.

Mar 09, 2015
popularity 42 comments 1

How eyes reveal the brain's focus

Whether you're taking a test or walking your dog across a busy street, your ability to tune out irrelevant sights and sounds in the environment—or your openness to detecting potential dangers—is crucial ...

Feb 04, 2015
popularity 53 comments 0

Researchers find genetic cues for a big heart

Bigger isn't always better, even when it comes to the body's most vital organs. An enlarged or thickened cardiac muscle can actually force the heart to work harder to pump blood throughout the body, weakening ...

Feb 03, 2015
popularity 65 comments 0

Credit score can also describe health status

A credit score doesn't just reduce a person's entire financial history down to a single number and somehow predict their credit-worthiness. It might also be saying something about a person's health status, ...

Nov 17, 2014
popularity 0 comments 4