BUMMER: Arthritis Inevitable After Surgery On Ligament Repairs. “If you’ve had an ACL tear or cartilage damage then osteoarthritis lies in your future until cell therapies and gene therapies are developed that can do full repair. . . . Gotten yourself pretty banged up by sports, yard work, or an accidental fall? You need the development of gene therapies and cell therapies to render you fully repaired. Otherwise painful arthritis lies in your future.”