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Brain & Nervous System Health Center

Concussions Linked to Condition Similar to ALS

Study Shows Repeated Head Traumas May Raise Risk of Symptoms Seen in Lou Gehrig's Disease
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Did Lou Gehrig Have Lou Gehrig's Disease?

The new findings suggest that professional baseball player Lou Gehrig may not have died from Lou Gehrig’s disease.

"Maybe Lou Gehrig had chronic traumatic encephalopathy," Cantu says. He sustained at least five documented concussions during his career. In addition, there are reports that he was knocked unconscious for five minutes after being struck in the head with a ball. He also played football at Columbia University before joining the New York Yankees.

Gehrig's brain and spinal cord tissue cannot be analyzed, so the truth may never come to light.

Going forward, "we need to get a better grasp of the incidence of this," says Cantu, who was recently appointed senior advisor to the National Football League Head, Neck and Spine committee.

"From this research hopefully will come animal research to get an animal model of the disease and then, we can work on medications and other therapies that could modify the disease in animals and then if successful, go on to humans," Cantu says, adding that the new study is very preliminary.

Brain Injuries of Combat Veterans

Time is of the essence. Traumatic brain injury has become the signature injury of the Afghanistan and Iraq war, suggesting that some veterans may be prone to this ALS-like disease.

"I suspect we see it in individuals with injuries such as blast injury," he says. Given the numbers of soldiers who develop these injuries, "this is very worrisome," Cantu says.

"The study just provides new information on the possibility that some motor neuron diseases are due to multiple concussion and head trauma from collision sports injuries," says Raymond A. Sobel, MD, a professor of pathology at Stanford University Medical Center and the editor of the Journal of Neuropathology and Experimental Neurology. Earlier studies have suggested that there was a link between head trauma and these diseases, but the new work is the first time that there has been evidence seen in the brain and spinal cord.

More study is needed before any sweeping conclusions can be drawn, he tells WebMD.

"This research may lead to a better understanding of what is happening in people with these diseases at a molecular level, which could lead to therapies or help preventing also in people who are at risk," he says.

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