Having been involved in sports as a participant and personal trainer for decades, I find this statement questionable and, as I'm a believer in science (real science, not FB, Twitter, 8chan science, Fox "News" etc) I propose an alternative viewpoint, supported by actual science and not uneducated belief;
https://www.futurelearn.com/info/cou.../0/steps/25162
Prefacing a statement such as you have made with the words "In my opinion" might help others evaluate your opinion. Also stating your medical and/or other experiences and qualifications, along with supporting statistically significant, peer reviewed articles of actual science, might help establish for others what credence could be given too your "Facts."
https://www.polytechnique-insights.c...e%20left%20one.
And, perhaps, though this is only my opinion, at 62, with no mobility issues despite many injuries, including broken bones, amongst other medical issues, and at round 70kg at 177cm and with 20 years as a personal trainer under my belt, I might know a little more about longevity in our very demanding past itme, though this is only conjecture, of course.
Bottom line is, if you control your weight, eat well and exercise diligently, wearing out your joints prematurely is avoidable.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5830901/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2811354/
And exercise also helps one particular "joint" in a very "pointed" way.
file:///C:/Users/User/Downloads/01.CIR.86.2.494.pdf
In short, science says "use it or lose it"
Fact, not opinion.
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