After testing countless devices for accuracy, comfort, and general value, these are the best fitness trackers I'd recommend.

While there’s no crystal ball to predict your future health, there are a few basic tests you can give yourself to gauge your ...

Think you're fit? See how you stack up against these strength, endurance, and power-focused challenges.

After three months of testing, here's my unfiltered review. I realized a couple of years ago that my lifestyle choices could best be described as “voluntarily guzzling an awful cocktail of stress, ...

Cardiovascular researchers and doctors reveal the specific strength and endurance milestones that separate aging men from ...

Learn how long pre-workout supplements stay in your system, which ingredients matter most, and what to consider for timing, health, and performance.