David Bennett was the first person to receive a pig heart transplant.

He became the first American in the world to receive a heart transplant from a genetically modified pig. David Bennett, 57, is doing well in Baltimore for three days after a seven-hour experimental procedure.

The possibility of using animal organs for so-called xenotransplantation to meet demand has long been considered, and the use of porcine heart valves has already become common. Pigs are becoming an increasingly popular candidate for organ transplantation.

This is because their organs are anatomically similar to human organs. Also, pork ingredients are more suitable for genetic engineering.

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