Dale Earnhardt Jr. latest athlete to donate brain

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The Sprint Cup driver is the latest athlete to announce he'll be donating his brain for research. That's right, Dale Earnhardt Jr. will be donating his brain so researchers can study the effects of CTE.

The race car driver admits he's suffered several concussions throughout his career. In fact, Dale Jr. now seems to be leaning to donating most of his organs when the time comes.

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