We've all been there: obsessed with one specific workout, whether it's a so-hard-it-hurts HIIT class, a makes-your-bod-rock ...

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Fitness fans who enjoy quick HIIT classes as much as extra-long stretching sessions, listen up: The new Lululemon workout mat, on sale today, is the do-it-all, not-quite-a-yoga-mat you've been ...

Fitness experts explain if it is safe to workout every day, 4 signs to tell if you are working out too much, and tips for how ...