Endurance Sports Actually Enhance Your DNA

If you try something new this year, make it a longer-than-usual workout. Your genes will thank you.

Work Out Like the Sexiest Woman Alive

We went straight to the trainer who helped Kate Upton score the hot body that won her that title.

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11 Female Athletic Prodigies Changing the Fitness World

Don't let their ages fool you—these pint-sized athletes are already competing with the pros and shattering world records, all before turning 16!

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Cameron Diaz Is Engaged!

One of our favorite fit celebs is tying the knot with her rocker boyfriend of seven months

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Sick After Flying? The Reason Might Surprise You

Your sniffling seatmate isn’t the only thing to watch out for on your next flight

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The Truth About PMS, Weight Gain, and "Fat Days"

Relax, monthly weight changes are totally normal—it's worrying about them that can hurt you.

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12 Fat-Burning Tricks from The Most Inspiring Women in Fitness

Models, trainers, and nutrition coaches share their secrets to burning fat, losing weight, and eating healthier.

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