(CNN) — Treadmills are among the most popular pieces of fitness equipment, both in the gym and at home, and they are not waning in popularity. There were some 53 million treadmill users age 6 years ...

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(CNN) — While treadmills are among the most popular pieces of fitness equipment, they can be dangerous. More people are injured by treadmills than any other piece of exercise equipment, according to ...