Jeff Coller in The New York Times: When KJ Muldoon was born in the summer of 2024, his parents were told he had a disease so rare, it strikes about one in 1. 3 million newborns. His condition, a severe deficiency of an enzyme known as CPS1, left his tiny body unable to properly break down protein,….
His condition, a severe deficiency of an enzyme known as CPS1, left his tiny body unable to properly break down protein,….