Dr. Robert Heaney, who is a professor in the Department of Medicine at Creighton University in Omaha is interviewed.  Dr. Heaney has spent over 50 years in the study of osteoporosis, vitamin D, and calcium physiology; he's authored three books and has published over 400 scientific papers, so when it comes to the world of vitamin D, and calcium in particular, Dr. Heaney is one of the leading gurus, literally, in the world!

Dr. Heaney discusses US Preventive Services Task Force recommendations for postmenopausal women; whether calcium and vitamin D supplement increase risk of kidney stones; calcium supplementation and heart attack risk; and personal recommendations for daily vitamin D and calcium instake.