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In the future, you might leave your doctor\u2019s office with a prescription for a pig whose DNA has been modified to match your own. Scientists are already working on genetically engineering pigs to help predict the progression of a disease, or serve as an organ donor for those who need a transplant. But could pigs one day become keys to truly personalized medicine? WSJ\u2019s Danny Lewis explores the promise and potential pitfalls of using animals to help human health.\n\n\n\nWhat\u2019s something you\u2019re curious about that could shape the future? Email us at foepodcast@wsj.com\xa0\n\n\n\nFurther reading:\n\nGrowing a New Type of Organ Donor\xa0\n\nScientists to Study Pig-Organ Transplants in Brain-Dead People for Longer Periods\xa0\xa0\n\nScientists Transplant Human Tissue into Rat Brains, Opening Door to New Research\xa0\n\nThe Human Genome \u201cRosetta Stone\u201d and The Future of Health\xa0\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices