Waiting for the weekend can often seem unbearable, a whole seven days between Saturdays. Having seven days in a week has been the case for a very long time, and so people don’t often stop to ask why.

Is walking 4,000 steps once or twice a week enough to reduce heart disease risk? A new study found that those who took at ...

In TODAY.com's Expert Tip of the Day, a trainer explains how incorporating HIIT into a weekly workout routine can boost one's metabolism and help with weight loss.

The Runner’s World Guide to 3-Day-a-Week Training was created with our three-day training plans in mind.

A 101-year-old woman continues to work after decades of employment, sometimes even six days a week. Ann Angeletti, the owner ...