Verna Johnson's unconventional campaign to obtain a donor organ has found a willing participant.
This is believed to be the first case of a patient passing cancer on to four recipients.
Tammy Griffin met Linda Karr six weeks after she gave her her heart.
The new algorithm is more accurate than current methods to predict health outcomes.
Marie Robinson is one of 18,000 people waiting for a liver transplant, so her husband, Verlon, took matters into his own hands.
With a bleak prognosis, his parents had agreed to donate his organs.
"The fact that I'm alive and am going to have at least 20 more years with my kids, that's the best thing in the world."
The medication prevents the child's body from rejecting his kidney transplant.
So is it possible to get cancer from a donated organ? The answer seems to be yes.
A sick child may die because his father's criminal record prevents him from donating his kidney.
U.S. lawmakers want to put an end to the decades-old practice, but doing so will require shifting the society's attitude toward altruistic giving.
Nine women have already had the procedure in Sweden