The power of walking: a lesson from space

After spending nearly 400 days in space, astronauts Butch Wilmore and Suni Williams are back on Earth—rebuilding strength, and relearning how to walk. For us earthbound folks, it's something we do everyday, which keeps our bodies strong.

This activity could reduce falls, improve mobility, and help lower your risk of chronic disease.

Space flight can cause behavior changes, bone loss, rashes, and more.

Among its many benefits may be less stress, a lower risk of heart problems, and better sleep.

Research suggests that walking more is associated with better health and greater longevity. Here’s how to optimize your next stroll.

Moving more and sitting less can help reduce your risk for chronic disease, keep your mind sharp, and lift your mood.