Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Is the treadmill ...

Getting some miles in on your feet has a ton of benefits. Previous Prevention reporting found that running can lower blood sugar, boost cardiovascular health, build muscle, support healthy bones, and ...

Ask a group of runners whether they’d rather run on a treadmill or outside, and you’ll probably get some very strong opinions. Some can’t stand the boredom of indoor miles, while others love the ...