Over ten years ago, Bulletproof popularized mixing coffee with butter as a form of biohacking. Now the company is moving in a new direction, and hopping on a more recent trend: Cold coffee at home.

Ten days before I met him at his home in British Columbia, <a href="https://www.menshealth.com/health/a23497573/silicon-valley-sleep-biohackers/" id="79d7d405-408c ...

There are plenty of health trends that pop up and fizzle out fast, but biohacking seems to have staying power. The practice of trying to “hack” your health for longevity is showing up on podcasts, ...