Unstoppable Sneezing, Uncontrollable Laughter and Other Unusual Conditions

November 27, 2020

In 2015, Inside Edition reported on a girl who couldn’t stop sneezing. Katelyn Thornley lived outside of Houston, and was sneezing over 12,000 times a day. She even had trouble completing a sentence without starting to sneeze. The uncontrollable laughing that Joaquin Phoenix’s character experienced in “Joker” is a real thing, too. It’s an effect of a condition known as pseudobulbar affect, or PBA.  

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