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Blood simple

On-field tests could soon take the guesswork out of identifying concussions

Originally Published: January 6, 2011
By Shaun Assael | ESPN The Magazine

In the not-so-distant future, trainers may not have to rely on baseline testing and sideline questions to diagnose concussions. One pinprick, and an on-the-spot blood test will do.

In Ohio, researchers are zeroing in on a protein called S100B, levels of which are elevated in the blood after a nervous system injury. It is considered to be so reliable an indicator of damage that European insurers already require evidence of it before approving pricey CAT scans. "Brain damage doesn't ...

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