Fact: There is no magic age when either females or males suddenly need to adjust their calciumintake. In contrast to a number of other nutrients whose requirements tend to change with advancing age, requirements for calcium are dependent on multiple genetic, metabolic, and lifestyle factors, none of which are gender or age-related. Only with pregnant or lactating females it may be justified to increase their calcium intake by about 200 - 300 mg per day to cover additional needs for the baby... Full Text