Demaryius Thomas had the degenerative brain disease known as chronic traumatic encephalopathy or CTE, which is linked to repeated blows to the head, according to an announcement Tuesday by doctors from Boston University who had been studying the former NFL star's brain.
Thomas was found dead in his Roswell, Georgia home this past December 9, just 15 days before his 34th birthday. At the time, his family believed seizures, which Thomas had battled since a 2019 car crash, may have led to his death. The coroner's office in Fulton County, Ga. has not yet ruled on the cause of death.