Which is NOT a key risk factor for osteoarthritis?

A) obesity
B) age
C) injury
D) strength

Osteoarthritis

A degenerative joint disease characterized by the breakdown and eventual loss of the cartilage of one or more joints.

Obesity

A medical condition where excess body fat accumulates to an extent that it may have a negative effect on health.

Injury

Harm or damage to the body resulting from accidents, falls, hits, weapons, and other causes.