Which of the following is a common risk factor for osteoarthritis?

  • A. Increasing age
  • B. A viral infection
  • C. Low blood pressure
  • D. Excess vitamin D

Explanation

Years of use thin the cartilage and stiffen the joints, so osteoarthritis is commonest after middle age, with obesity and joint injury adding to the risk. It is a wear and tear disease, not an infection.

Related questions