Knee osteoarthritis theory turned on its head

Researchers say current thinking is flawed

New evidence confirms a widespread belief that knee osteoarthritis is becoming more common, but the latest thinking is that it’s not just obesity and an ageing population that’s behind the increase. 

knee osteoarthritis

“Our analyses contradict the view that the recent surge in knee osteoarthritis occurred simply because people live longer and are more commonly obese,” write the authors in the Proceedings of the National Academy of Sciences.

Instead, they and other experts speculate that changes in physical activity may be an