Identifying Pathways Associated with New Bone Growth (audio) Washington University School of Medicine Share Print E-Mail Loading audio... Caption Osteoporosis affects more than half of all Americans over the age of 50. It's also very common in organ transplant recipients. Doctors have a number of treatments to slow the deterioration of bone, but there's not much available to spur the growth of new bone. Now, however, scientists at Washington University School of Medicine in St. Louis have discovered what appears to be a potent stimulator of new bone growth. Jim Dryden reports. Credit Washington University BioMed Radio Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.