7 years ago
1
Knee arthritis has doubled since 1950 for mysterious reasons
The researchers don’t yet know the cause, but it likely involved fitness and diet.
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http://www.newsweek.com
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Maybe obesity cannot explain all of the increase, but I've spent a lot of time on physical therapy tables and I can provide an anecdotal observation. I've seen a couple dozen people rehabbing knee replacements. None were slender.