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 ...

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, ...

What starts as a simple joke battle quickly turns into uncontrollable laughter and chaos. The jokes range from clever ...

Two sets of published diagnostic criteria are available to help differentiate PBA from depression. The first set of diagnostic criteria was developed by Poeck in 1969. 3 These 4 criteria include: ...

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 ...

Yesterday, someone said something that had the whole group of people I was with absolutely belly-laughing. Once the guy got started, he kept going, improvising something somehow funnier with each ...

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 ...