Today, at a health fair at Temple’s Health Sciences Center, Crystal Gadegbeku, chief of nephrology and kidney transplantation at Temple Hospital, noted that one in six people in Philadelphia are affected by kidney disease. “It’s a silent disease,” Gadegbeku said.  “You don’t feel anything, so you are not going to know it until you come to a doctor and get the attention, unless it’s way way too late and your kidneys are just about gone. So, people have to be screened for these diseases.”