Why is laughter contagious? Blame your brain.

So why is laughter so hard to control? Research suggests that there are two kinds of laughs: helpless, involuntary laughter ...
clinicaladvisor.com

Raising Awareness of Pseudobulbar Affect: Knowing the Signs, Symptoms, and Treatment for Patients With Uncontrollable Laughing or Crying - Clinical Advisor

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: ...
YeahMad on MSNOpinion

We couldn’t even finish one joke without laughing nonstop

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

2 Ways Laughter Makes Love Stronger

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 ...