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 ...

Is the treadmill harder or easier than running outdoors? Survey runners, and you’ll get plenty of different opinions on which feels harder or easier, but the basic physics of running are the same on ...

There’s nothing like lacing up your sneakers and heading out for an invigorating run. This popular form of cardio gets your entire body moving, boosts those feel-good endorphins, and revs up 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 ...

The treadmill isn't necessarily easier, but it can sure feel easier. There's a pervasive myth that the treadmill “moves your feet” and thus makes running easier, but that’s not true. However, if you ...

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 ...