Investigation on bone mineral density of the elderly in Qiqihar

Through testing the bone mineral density of the elderly in Qiqiharto analyze the relation and differences in bone mineral density of different ages and gender and the probability of osteoporosis.As a result,it isfound that the elderly in different ages and gender own different bone density.With the age increasing,bone density declines,whereas the risk of osteoporosis increases,which happens to the femalemore easily than male.