A lot of effort goes into baby taking their first steps. They need to build coordination and strength and might fall down a ...

KJ Muldoon, the first infant to undergo gene-editing therapy, has accomplished another first as a 1-year-old — his first steps KJ is walking at home ahead of Christmas after being hospitalized last ...

Talk about a Christmas miracle! A medical breakthrough came just in time and changed one baby’s life — and gave his family a holiday they’ll never forget. KJ Muldoon, a 16-month-old boy, took his ...

World's 1st gene-edited baby takes 1st steps KJ Muldoon received the first-of-its-kind gene therapy for a potentially fatal disease and is now marking major developmental milestones. December 18, 2025 ...