>>143453
>the dangers of endurance running apply less to the average anon looking for a daily cardio machine, and more towards people who literally run so hard they DENT THE FUCKING TREADMILL FRAME WHEN THEY USE IT
every part of the body is finite. the heart only has so many beats, the lungs only have so many breaths, and so forth. the knees can only take so much stress, so if you jog, especially on hard payment with inappropriate footwear, you're really wearing down your knees. sprinting is much better, but it's not really possible to do inside the house unless you live in a mansion. around your house, sure