Laughter is commonly associated with happiness, joy, and overall well-being, often serving as a natural expression of positive emotion that strengthens social connections. However, Dr Sudhir Kumar, MD ...

Involuntary crying or laughing are symptoms of a condition known as involuntary emotional expression disorder (IEED). This disorder is common among patients with stroke and other neurological ...

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: ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The symptoms: The woman ...