Researchers say 96% of former NFL players who donated their brains to science after death tested positive for a brain disease linked to concussions. CNN’s Sanjay Gupta explains.
Researchers say 96% of former NFL players who donated their brains to science after death tested positive for a brain disease linked to concussions. CNN’s Sanjay Gupta explains.
LOS ANGELES, CALIFORNIA - JUNE 23: Lil Nas X performs onstage at the 2019 BET Awards on June 23, 2019 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
attends the 48th NAACP Image Awards at Pasadena Civic Auditorium on February 11, 2017 in Pasadena, California.
NEW YORK, NY - APRIL 25: The Wu-Tang Clan performs live during Tribeca TV: Wu-Tang Clan: Of Mics And Men at the 2019 Tribeca Film Festival at Beacon Theatre on April 25, 2019 in New York City. (Photo by Steven Ferdman/Getty Images for Tribeca Film Festival)
LAS VEGAS, NEVADA - MAY 01: Mariah Carey performs during the 2019 Billboard Music Awards at MGM Grand Garden Arena on May 1, 2019 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
LOS ANGELES, CA - NOVEMBER 22: Singer Whitney Houston performs onstage at the 2009 American Music Awards at Nokia Theatre L.A. Live on November 22, 2009 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)
NASHVILLE, TENNESSEE - JUNE 08: (EDITORIAL USE ONLY) Lil Nas X performs onstage during day 3 of the 2019 CMA Music Festival on June 8, 2019 in Nashville, Tennessee. (Photo by Jason Kempin/Getty Images)
NEW YORK, NY - JUNE 28: (L-R) Rotimi Akinosho, Naturi Naughton, Lela Loren, Omari Hardwick, Joseph Sikora, and "Power" Creator and Executive Producer Courtney A. Kemp attend the Starz "Power" The Fifth Season NYC Red Carpet Premiere Event & After Party on June 28, 2018 in New York City. (Photo by Jamie McCarthy/Getty Images for Starz Entertainment LLC)
NEW YORK, NY - JUNE 10: (L-R) Jessie T. Usher, Tim Story, Alexandra Shipp, Samuel L. Jackson, Regina Hall, Richard Roundtree, Luna Lauren Velez and Kenya Barris attend the "Shaft" premiere at AMC Lincoln Square Theater on June 10, 2019 in New York City. (Photo by Mike Coppola/Getty Images)
