India, Feb. 8 -- A 66-year-old man from New Hampshire, Tim Andrews, has become the second person known to live with a pig kidney transplant. After months of preparation to qualify for a pilot study, Andrews received the highly experimental pig kidney on January 25, and just a week later, he left Massachusetts General Hospital.

According to AP, Andrews is now free from dialysis and recovering well, which marks a massive achievement in the field of animal-to-human transplants.

Andrews had been struggling with kidney failure for the past two years, and despite being on the transplant list, the wait for a matching kidney could take seven years or more. With dialysis complications and heart issues, his chances of survival were slim. Determin...