Johns Hopkins Medicine Surgeons (image) Johns Hopkins Medicine Share Print E-Mail Caption Johns Hopkins Medicine surgeons performing a kidney transplant. A new study provides the strongest evidence to date that hundreds of currently discarded, less-than-perfect kidneys can be transplanted safely and effectively each year. Credit Johns Hopkins Medicine 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.