Concussions have many NFL players pointing to the other side of the sport, what it leaves you with years later.
There is more research on the lasting damage from football concussions.
“What’s thought to happen is the brain can go forward or backward,” said Dr. Jack Tsao, a Professor of Neurology at University of Tennessee Health Science Center.
He said there is more focus now on the impact of long-term head blows like those in the NFL. One study found abnormal proteins around brain tissue that may hint at what can happen.