1Xtra’s DJ Ace needs a kidney transplant. He’s been on the waiting list for more than two years. But that’s not unusual for a black man. In fact according to the NHS, black and Asian people have to wait on average a year longer than white people for a kidney transplant. That’s partly down to the number of black and Asian people who say ‘no’ to being an organ donor. So why is that? The Next Episode investigates…