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Athlete head injury linked to Lou Gehrig-like condition

BOSTON - Scientists funded in part by the National Football League say they have found evidence connecting head injuries in athletes to a condition that mimics Lou Gehrig's disease.

Dr. Ann McKee said she found toxic proteins in the spinal cords of three athletes who had suffered head injuries and were diagnosed later with Lou Gehrig's disease, or amyotrophic lateral sclerosis (ALS). Those same proteins have been found in the brains of athletes with chronic traumatic encephalopathy, or CTE, a disease linked to head injuries that causes cognitive decline, abnormal behavior and dementia.

The findings, announced yesterday, are to be published in September's issue of the Journal of Neuropathology and Experimental Neurology.

McKee, a neurology professor at Boston University, has studied CTE in athletes. She also is director of neuropathology for the Department of Veterans Affairs at the Bedford, Mass., VA Medical Center, where research has been conducted on the brains and spinal cords of 12 athletes donated by family members.

McKee noticed that an unusually high number of football players seemed to be affected by ALS. The disease attacks nerve cells in the brain and spinal cord, and destroys the ability to move and speak.

She studied the brains and spinal cords of ex-Minnesota Vikings linebacker Wally Hilgenberg, former Southern California linebacker Eric Scoggins and a boxer whose family asked that his name be kept private.

She found the toxic proteins in the spines of all three. They were not present in the spines of athletes with CTE who didn't have Lou Gehrig's disease. Nor had she seen them in nonathletes who died of ALS.

The findings suggest that the motor neuron disease that affected the three athletes is similar to, but not exactly the same as, ALS. McKee and her colleagues are calling this new disease chronic traumatic encephalomyopathy, or CTEM. They say it is "likely caused" by repetitive head trauma athletes can be exposed to in contact sports.

The BU researchers say head injuries from baseball and football at Columbia University might have contributed to Lou Gehrig's motor neuron disease, raising the question of whether the Hall of Fame first baseman had CTEM, rather than ALS, the disease that bears his name.

The NFL announced in April it would donate $1 million to Boston University School of Medicine, becoming the first sports league to financially support the center's research.

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