In a sunlit school classroom, a child bursts into laughter, sudden, eerie, and entirely unprovoked. There’s no joke, no punchline, no mischief. What seems like quirky behaviour draws giggles from ...

In a remarkable medical success, a patient suffering from a rare form of epilepsy known as “Gelastic seizures” often referred to as “laughing seizures” has shown dramatic improvement after receiving ...

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 ...