We Don’t Need A (New) Ban Of Human Gene Therapy
Animal products used in or on humans have been an invaluable part of medical practice for almost a century. Examples include animal insulins to treat diabetes and pig heart valves transplanted into humans. A related medical breakthrough was just published on Dec. 5 in the journal "Nature": Genetically modified pig hearts transplanted into baboons can function long-term, a major step towards the clinical use of pig donor hearts in human patients. But suppose bioethicists objected, on the grounds that such mixing of...