question: hi my mother has a knee pain for about 7months now,and have visited many docters and each of them with different anwers and medicine although one medicine that jus helps to stop the pain which is diclogesic and if she doesnt use it ,it hurts again,some docters say its joint jell which isnt there,and some say cause shes fat,or some say she has a fat bag in her leg.we think its somthing got to do with her stomach maybe she has any infection.kindly advice ?