Study: Youth Football Players Display Earlier Symptoms of CTE

Tyler Conway@jtylerconwayFeatured ColumnistApril 30, 2018

From left, Tregg Duerson, Illinois state Rep. Carol Sente, D-Vernon Hills, and former Chicago Bears' Mike Adamle pose for a photo after a news conference in support of the Dave Duerson Act to Prevent CTE Thursday, Jan. 25, 2018, in Chicago. The Dave Duerson Act is named for the Chicago Bears defensive back who was diagnosed with chronic traumatic encephalopathy after he killed himself at the age of 50, would ban organized tackle football for Illinois children younger than 12 years old. (AP Photo/Charles Rex Arbogast)
Charles Rex Arbogast/Associated Press

Players who began playing tackle football before the age of 12 are more likely to develop signs of chronic traumatic encephalopathy earlier in life, according to a study by the VA Boston Healthcare System and the Boston University School of Medicine.

ESPN obtained a copy of the study, which found players who began playing tackle football before turning 12 developed CTE-related symptoms an average of 13 years earlier than players who waited.

During an appearance on ESPN's Outside the Lines Monday, Dr. Ann McKee, the director of Boston University's Chronic Traumatic Encephalopathy Center, said a person may be more resistant to the long-term effects of tackle football if they wait to begin playing until after the age of 12. 

"It shows the health of the brain was changed by playing football before the age of 12," McKee said.

"Some argue that players should play even later than 12, maybe 18, when they are adults and can make fully informed decisions," McKee said. "... The study adds to the accumulating evidence that if you're going to play football, you should do so later."

Doctors studied the brains of 246 former football players, 211 of which showed signs of CTE, a degenerative brain disorder that can cause memory loss and mood swings, among other symptoms. The study found players exhibited cognitive problems 2.4 years earlier per year they played tackle football before the age of 12. Behavioral and mood issues began 2.5 years earlier.

Some Pop Warner football leagues begin at the age of five. Based on the findings from this study, a player who began organized tackle football at age five could begin showing signs of cognitive degeneration 17-18 years before a player who began after the age of 12.

The study could continue building the groundswell of support for banning tackle football for children. Four states (Illinois, California, Maryland and New York) have considered youth tackle football bans this year. 

None of the states have passed a law yet. 

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