You know your bad habits are catching up to you when your body starts sending you signals — and lately, my creaky joints are speaking up loud and clear. My body is clearly fed up with long hours ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. If you’ve been ...

Stretching-only studios are bringing the chill back to a hyped-up, high-intensity fitness climate. Walk into any studio from California to Boston and a few minutes later you could be stretching out a ...