Uncontrolled laughing or crying can be more than just a surprising emotional reaction, it may signal a neurological condition called pseudobulbar affect (PBA). PBA causes sudden, involuntary emotional ...

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, ...

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 ...

We all look forward to a good laugh. Health experts say, “simply laughing can give your immune system a boost.” 1 The National Cancer Institute has even found that people who laugh on a regular basis ...

A woman had experienced sudden bursts of uncontrolled laughter her whole life. A brain scan revealed why. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...