For young Israeli Yossi Azran, 15 years of debilitating kidney disease and 2.5 years of dialysis was like a slow death until Rav Shmuly Yanklowitz donated one of his kidneys. “I have been teaching about social justice and saving human life for many years,” Yanklowitz said.
http://www.timesofisrael.com/arizona-rabbi-donates-his-spare-kidney-to-save-young-israeli/