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.

Strengthen your heart with these heart-friendly workouts.

Spending time in nature can boost health, but access to parks is not equally available to all.

From sore joints to sports injuries, get the lowdown on treating your most common aches and pains.