Osteoporosis, which is characterised by low bone density and bone tissue deterioration, affects two thirds of Australians over the age of 50.Healthy Bones Australia has been contracted by The Department of Health and Aged Care to update the 2017 guidelines for osteoporosis management.A summary of this update has now been published in the Medical Journal of Australia.Professor Peter Wong is a rheumatologist and head of Rheumatology at Westmead Hospital and the honorary medical director of Healthy Bones Australia.He is one of the co-authors of the guidelines and joins me now.