It’s the most popular game in America. There are big plays and crushing tackles from pee wee to the pros. Football is worth billions of dollars, but a new study questions the real cost.
The American Medical Association study of the brains of 111 former NFL players found chronic traumatic encephalopathy, or CTE, in 110 of them. The brain disease was found in 90-percent of all football players studied from the NFL to high school aged athletes.