Running and walking can both improve your overall fitness. Deciding between the two comes down to your personal health goals.

How many calories you burn when you run a mile depends on factors including your weight, age, fitness level, and more. Find out how you can increase that number.

Running helps build muscles like your glutes, quads, and hamstrings. But you need to challenge yourself consistently or else you could lose muscle.

Many people try to stay healthy long enough to play with their grandkids one day. But for 70-year-old Wendy Alexis, she takes ...