Peter Attia· MD
so what some really smart people figured out well if i've got two pairs and they're incompatible with each other but happen to be compatible with the opposite so let's say that you know we're an a and a b and there's another pair over here that's a bna and by all other measures are compatible is it reasonable to swap those kidneys and and those sorts of swap kidney swaps or parrot exchange began in the 1990s and and really took off in the 2000s because it allowed people to avail themselves of broader opportunities for transplant