use lungs

Pierson’s current trials use lungs from an α-gal-knockout pig that includes five human genes.

In the U.S., doctors also use lungs from smokers, although Dr. Norman Edelman, the chief medical officer for the American Lung Association, didn't have any data on how often that happens.

"We'll all use lungs," Tony said.

Children should be encouraged freely to use lungs and limbs out-doors, or in hours for sport in the house.