Kimberly Dawn Neumann is a New York City-based magazine and book writer whose work has appeared in a wide variety of publications, including Women’s Health, Health, Cosmopolitan, Fitness, Prevention, ...

This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. Sign up here to get it in your inbox. You don’t have to run in biohacking ...

One of the most common questions I get asked as a beauty editor is what at-home beauty treatments are actually worth it. My answer? Red light therapy. There’s a reason you’ll find red light devices in ...