Suicide doesnt mean CTE. Plenty of people commit suicide without CTE.
Guys have a tough time coping with life after the NFL even with working brains. It's a HUGE life change and at a relative early age.
Plus, there is a history of mental illness in that family. Vernon and Vontae's youngest brother was arrested for killing someone with a hammer, and attacking other random people, and was found not fit to stand trial. https://www.cbsnews.com/sanfrancisco/news/vernon-davis-brother-found-unfit-for-trial-in-deadly-d-c-hammer-attack/
Need to completely reinstate the Mental Health Systems Act of 1980. Killing it was one of the worst things to happen to this country and a huge reason why we have the homeless and senseless killing issues we're currently faced with today.