I first heard about Brrrn a few years ago when I was working in New York City. The studio conducted classes in a 50-degree room (hence the name), and became popular for their “slide” classes, which ...

Lately, I’ve wondered if 2021 is conspiring against our best efforts to stay in shape. Gyms are shuttered, or operating at limited capacity, with no end date in sight. High-profile home fitness ...