Beethoven's hair offers new clues to his mystery deafness

ABC News medical correspondent Dr. Darien Sutton discusses a study that shares the substances in the composer's hair that may give clues to his deafness. SUBSCRIBE: https://bit.ly/2Zq0dU5 SIGN UP to get the daily GMA Wake-Up Newsletter: https://gma.abc/2Vzcd5j VISIT GMA: https://www.goodmorningamerica.com FOLLOW: TikTok:   / gma   Instagram:   / goodmorningamerica   Facebook:   / goodmorningamerica   Threads: https://www.threads.net/@goodmorninga... X:   / gma