Learn how physical activity like walking can boost mental and physical health. Learn tips from the American Heart Association ...

Sedentary behavior has become a national health crisis, with 1 in 4 U.S. adults sitting for more than eight hours a day, ...

Bring water. In moderate temperatures, REI recommends drinking one half-liter (about 17 oz.) of water every hour. If it's hot outside, you should increase your water intake. Becoming dehydrated on a ...