USANEWSBEST

Politics

What are the ethical issues related to pig organ transplants in humans?

In 2022, surgeons transplanted the first genetically engineered pig heart into a human. Fifty-seven-year-old David Bennett, a patient with heart failure, survived almost two months with a pig heart beating in his chest, one of five people who have received pig organs as a part of an experimental procedure called xenotransplantation — the transplanting of […]

Science

Do stem-cell transplants increase cancer risk? Long-lived recipients offer clues

Haematopoietic stem cells from donors have been used to treat hundreds of thousands of people with blood cancer and other blood disorders.Credit: SPL Ever since the first blood-forming stem cells were successfully transplanted into people with blood cancers more than 50 years ago, researchers have wondered whether they developed cancer-causing mutations. A unique study1 on […]