Arthritis: painful
innflamation and
stiffness in the joints
An infection or injury to
the joints can increase
your risk of OA. Mostly
the development of
Arthritis is caused by
genetics
www.healthline.com/health/arthritis
http://www.nhs.uk/conditions/Rheumatoid-arthritis/Pages/Complications.aspx
http://www.healthcommunities.com/arthritis/causes.shtml