Run for a longer life? Just a short jog might make a difference - Harvard Health

Small amounts of jogging or running may lower the risk of heart disease and help people live longer. Even running just once a week, for less than 50 minutes each time and at a speed below 6 mph, seems to have benefits.

Short Distance Runs Have Major Health Benefits - The New York Times

Is It Better To Run Longer Or More Often? (With Examples)

For joggers, less may be more - Harvard Health

You Don't Really Need 10,000 Daily Steps to Stay Healthy

Swimming vs. Running: Which is Better for Fitness?

Does running cause arthritis? - Harvard Health

Daniel Lieberman busts exercising myths — Harvard Gazette

How Do Your Body and Mind Change When You Start Running?

Can short bouts of running lengthen lives? - Harvard Health

How Will You Measure Your Life?

Short Runs and Their Surprising Health Benefits

How 15 Minutes of Exercise Can Transform Your Health - CNET

Can exercise extend your life? - Harvard Health

Running may help you live longer but more isn't necessarily better