" Finally, I would like the T-shirt fact-checkers to have a go at the ubiquitous "If You Think Education Is Expensive, Try Ignorance.

WSJ: Joe Queenan Asks: Has That T-Shirt Been Fact-Checked? | Moving Targets

"I see so many parents and kids try to avoid a diagnosis that might sideline their kids, and there is a lot of ignorance out there still, " Ms. Bates says.

WSJ: Tougher Rules Advised for Athletes After Concussion