KJ Muldoon received a groundbreaking new treatment earlier this year. The baby saved from a rare disease by a first-ever personalized gene fix has reached a big milestone, taking his first steps ahead ...

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 ...

A baby born with a rare and life-threatening genetic disorder has taken his first steps after receiving a groundbreaking, personalized gene editing treatment at Children’s Hospital of Philadelphia. KJ ...

Gov. Kathleen C. Hochul wants to make broad investments in child care and early childhood education, and this year will push ...