Pig collagen helps return sight to the blind: The role animals play in the future of medicine

A recent study published in the Nature journal found that fourteen people who were legally blind now have improved vision thanks to a new procedure where material derived from pigs is injected into patients’ eyes. On this episode of “Something Offbeat” we spoke to study author Dr. Neil Lagali of Linköping University in Sweden and xenotransplantation expert Dr. David K.C. Cooper to figure out the role animals play in the future of human medicine.