The Associated Press @AP
Rylae-Ann Poulin was among the first to receive gene therapy directly to her brain to treat a rare genetic disease, an approach scientists say holds promise for treating a host of brain disorders. Reporting by @laura_ungar and video by @shelby_lum: https://t.co/l2ORsNMWe0 https://t.co/a0HrlBWZM9 — PolitiTweet.org