New research explores how ultraviolet light can trigger the production of health- and performance-boosting nitric oxide
If I could only have one pair of shoes, this would be it
The entrepreneur believes that biohacking can rocket your body and mind to peak performance. His Bulletproof diet zoomed into the mainstream, his Bullet-proof coffee has everyone quaffing butter, and his Bulletproof books fly off the shelves. Now Bulletproof Labs is out to hack, well, everything.
Eight foam hogs that know how to boogie
This weekend in New York City, a group of runners braved 211 laps around the track in pursuit of a niche world record
One man's quest to ski the equivalent of sea level to the summit of Everest and back. Twice. In 24 hours. On a single ski run.
It’s hard to make a living from just one thing. The champion middle-distance runner, cofounder of Picky Bars, coach, and mother of two lets us in on how she juggles it all.
Sometimes they're the difference between a PR and a DNF
The gear we're lusting after this spring
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