Osteoporosis is a disease where decreased bone strength increases the risk of a broken bone. It is the most common reason for a broken bone among people who are old. Bones that commonly break include the back bones, the bones of the forearm, and the hip.Until a broken bone occurs there are typically no symptoms.
Back pain, Loss of height and stooped posture, A curved upper back (dowager's hump), Broken bones (fractures) that might occur with a minor injury, especially in the hip, spine , and wrist. From Norway the reported age standardised annual incidence rates of hip fracture are 920 per 100,000 in women and 399.3 per 100,000 in men an exponential increase in hip fracture incidence from 1950 to 1985 in both men and women over age 50, increasing from an annual age-adjusted incidence of 150 to 390 per 100,000 in men and 300 to 830/100,000 in women