A nurse holds a vial of Moderna Covid-19 vaccine. Patrick Meinhardt/AFP via Getty Images hide caption
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Ron Nielsen, a retired airline pilot, tells his class of fearful fliers in Southern California that crying can be a useful emotional release. If that's what they need to do, he tells them, "let 'er rip!" Courtesy of Air Hollywood hide caption
The parts of the brain known to help process fear and negative emotion are hyperactive when someone with math anxiety confronts a tricky problem, scientists say. iStockphoto hide caption
