At least 1-in-4 NFL players who died between 2016 and 2021 had CTE — a brain disease linked to repeated blows to the head — researchers found. Dr. Celine Gounder breaks down some of the study’s findings, and @Nate Burleson, who played in the NFL for 11 years and has two sons currently playing football in college, shares about his experiences confronting the risks of the high-contact sport. #NFL #CTE #football #health