Since she was an infant, a 31-year-old woman had been experiencing bursts of uncontrollable laughter, but her condition had never been formally diagnosed until now. According to the woman, she would ...

It starts calmly - and then everything breaks. This moment captures reactions that spiral into uncontrollable laughter. No ...

"Laugh, and the world laughs with you" is the cliché. Jamie Lee Curtis is living proof. While appearing on “The Late Show with Stephen Colbert” on Sept. 3, the Oscar winner took “The Colbert ...

Laughing is something you do with virtually no thought. Your friend tells a funny joke? You chuckle and don’t think twice about it. And there’s a reason for the adage “laughter is the best ...

These responses to orgasm are a rare — but normal — phenomenon among women, a new study says.

The symptoms: The woman visited a clinic because she had long experienced bursts of uncontrollable laughter, which doctors described as "mirthless" in a report of her case. According to the patient, ...

When I was little, I tended to fall into bouts of uncontrollable laughter. Basically, once I started laughing, I found it very difficult to stop. The problem was particularly acute in contexts where I ...

Think about all the times you’ve laughed with your friends: the late-night giggles, the completely ridiculous inside jokes, or the perfectly timed sarcastic comment that left you and your friends ...