MTP 029xOsteoporosis: Evolving Diagnostic and Therapeutic ConceptsClinical questions to be addressed:Who to screen? What tools to use? Who to treat?How to judge therapeutic efficacy---is bone density enough?Biophosphonate therapy: Oral versus intravenous, how long, and what are the toxicities?What are the other pharmacologic options?What about vitamin D, Calcium, and exercise?What drugs are on the horizon?