Should I incorporate fartlek into my workout routine?

Next time you go for a run or walk, try a fartlek. Fitness expert Vonda Wright, MD, explains how fartleks -- Swedish-style for "speed play" intervals -- will help you get fitter, faster.

By alternating between faster and slower speeds, you can manage weight, lower disease risk, and get fitter overall.

Make physical activity automatic by building it into your everyday routine.

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Research shows the upside for women may surpass men—even when they put in less effort. Find out why.

It’s not just for kids. Learn how to rediscover pure joy and how it can improve your overall well-being.