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This Theory Could Help Explain Why OJ Simpson Might Have Killed Nicole Brown Simpson And Ron Goldman

Did football damage his brain?

OJ "The Juice" Simpson played in the NFL for 11 seasons before hanging up his uniform to pursue acting. But, could it be that the brain damage incurred from his decade playing football led to aggressive and violent behavior, and possibly to a double homicide?

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So, before we talk about OJ, you should know that there's this football disease called Chronic Traumatic Encephalopathy (CTE), discovered by Dr. Bennet Omalu who first diagnosed it in 2002.

CTE is caused by traumatic impact to the cranium, resulting in protein buildup in the brain's blood vessels, which effects cognitive functions. There are no visible symptoms.

As the protein continues to build up, the disease can effect behavior in the following ways: Depression, mood swings, violent tendencies, and criminal behavior.

Unfortunately, there is no way to test for CTE until after death because you have to cut up the brain to see it.

In the past five years, three former football players who committed suicide all had CTE.

Dr. Omalu said he would, "bet his medical license on OJ suffering from CTE."