Two effect of problem vitamin D deficiency of people live in urban areas and postmenopausal women. To start with , vitamin D deficiency can cause lead to Osteoporosis .Osteoporosis is a bone disease affecting the bone structure and strength of bone, raising the risk of fractures and osteoporosis is mainly found in menopausal woman since the age of 60 years because When lack of vitamin D can cause a condition of estrogen decrease back down which the hormone estrogen is important to bone greatly for menopausal women because inhibit bone decay pull calcium to repair bone building stronger.