We’re reaching the time of year when the days grow colder and darker, so you might have to start thinking twice before you head out the door to run. Depending on where you live, temperatures may dip ...

If you ask any runner which they prefer: running on a tre admill or running outside, we can pretty much guarantee they’re going to have strong feelings about it. Some running purists can’t stand the ...

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 ...

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 ...

Amelia MacIntyre, DO, is a board-certified family medicine physician. She is certified in osteopathic medicine. Treadmill and outdoor running deliver similar fitness benefits for most runners—miles ...

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 ...