I Am. First If All 91. Then Have Numbness In

I am. First if all 91. Then have numbness in Fingertips only but ha broken fingers and wrist from basketball playing and was a finish drywall and I sukation contractor for years. Could this be. Oh also wotprked as a bookkeeper on co outir til age 85 . Family history of RA. But am wondering if something else. Have also couple of neck injuries and have Chrystal I knees and between 4 And 5 vert in Back. Could it just be results of injury and age