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Researchers say Aaron Hernandez had severe CTE

Hernandez killed himself earlier this year.

Former New England Patriots tight end Aaron Hernandez was found to have stage 3 of the brain disease chronic traumatic encephalopathy – commonly known as CTE – at the time of his death.

The New York Times notes that researchers at Boston University who examined Hernandez, determined it was "the most severe case they had ever seen in someone of Aaron’s age.” He was 27-years-old.

Hernandez's family lawyer, Jose Baez said the level of CTE found in Hernandez, would be more typical in a 67-year-old man. On a scale of 1-4 for CTE, stage 4 is considered the most aggressive.

Baez said the family plans to sue the NFL and New England Patriots on behalf of his 4-year-old daughter, claiming both parties deprived her of the companionship of her father.

The once-promising NFL tight end, killed himself in prison earlier this year, after being convicted of a murder that occurred in 2015. 

In July, Dr. Ann McKee, a neuropathologist at Boston University, examined 111 NFL players and 110 were found to have CTE.

The University also did a study that suggested children who play football before the age of 12, have an elevated risk of long-term health problems.

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