Illustration: Kieran Blakey

The Nuance

‘Biofeedback’ Could Ease Headaches, Anxiety — and Maybe a Lot Else

By providing a window onto the body’s inner workings, biofeedback could help people control what was once thought to be ungovernable

Published in
6 min readSep 17, 2020


The man’s boasts were outlandish. Wim Hof, a 51-year-old Dutch endurance athlete…



Markham Heid

I’m a frequent contributor at TIME, the New York Times, and other media orgs. I write mostly about health and science. I like long walks and the Grateful Dead.