You know that sudden, awkward giggle that slips out in the middle of a tense conversation or serious moment? It can feel strange, even embarrassing, to laugh when nothing is remotely funny. But this ...

Suppressing laughter in solemn settings can backfire. Here’s what brain science says about why ‘church giggles’ feel unstoppable.

Peter Lundquist needs comedy to survive. So he says in his new solo show Nervous Laughter, onstage now through Jan. 24 at 21ten Theatre, an autobiographical account of his childhood, mental health ...