Bad Knees Through the Ages
The average American today is twice as likely to be diagnosed with knee osteoarthritis as in the years before World War II, Harvard scientists say. And the reasons are less clear than you might think.
Based on a study of more than 2,000 skeletons from cadaveric and archaeological collections across the United States, a Harvard report is the first to definitively show that knee osteoarthritis prevalence has dramatically increased in recent decades.


