<prompt> Osteoporosis is caused by all, except?SarcoidosisOld ageHypoparathyroidismSteroid therapy  <response>: In sarcoidosis the osteoporosis process is usually due to use of steroids. This means choice a and d is correct. Osteoporosis occurs more frequently with increasing age as bone tissue is lost progressively. In women, the loss of ovarian function at menopause typically about age 50 precipitates rapid bone loss. 