It affects women mostly from the time they become post-menopausal and in men it is often a little bit later ??? from the 60s onwards, as the hormones which normally help the body stimulate bone growth do not work as well.Experts say getting calcium into your diet is vital to avoid osteoporosis.People should be aiming for three serves of dairy a day, says Glenys Zucco, dietician at Dairy Australi