“If you don’t have anxiety,” stand-up comedian Aparna Nancherla riffs onstage, “the way I would describe it is there’s, like, an edgy improv group in your brain and it just needs a one-word suggestion ...

Add Yahoo as a preferred source to see more of our stories on Google. Ekaterina Goncharova/Getty Images Almost 20% of US adults deal with one or more anxiety disorders each year, according to ...