Report shows nearly half of Amercans will develop knee osteoarthritis

WASHINGTON An estimated 45 percent of Americans will develop knee osteoarthritis according to a Reuters report published Wednesday, citing a study in the journal Arthritis Care & Research.

Obese people are at higher risk, the report found—65 percent of those considered obese will develop knee osteoarthritis

"Simply put, people who keep their weight within the normal range are much less likely to develop symptomatic knee osteoarthritis as they get older, and thus much less likely to face the need for major surgical procedures such as knee-replacement surgery," stated Joanne Jordan of the University of North Carolina, one of the researchers.

The study showed no significant differences in risk associated with sex, race or education level.

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