There are no studies indicating that running causes osteoarthritis of the knee, says HealthMaker Andrew Feldman, MD. However, in this video he explains that if you already have it, running can worsen your symptoms.
Never being a study to choose that but it can propagate it. In other words if you have it, and you run, and I don't mean just running a mile a day but if you're a runner, there is an increase risk of getting worse arthritis if you have a clean knee, there's never been a study shows that it is the starter of that.
The knee is a complex joint that's susceptible to disease, such as arthritis, and injury, such as runner's knee. Get exercise, nutrition and lifestyle tips to keep your knees healthy and strong, and prevent knee pain.
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