i m suffering from osteoporosis and osteoarthritis both and my knee joints are swollen and painful ,i m feeling trouble in walking and even in standing for more time , if i walk constant for more than 15 minuits also i suffer from muscular cramp and feel very much pain,once 1 doctor asked to test arthritic profile then my ANA was more than 40, is it not curable, i m very much tense for it, can u give me any suggestion ?