Add Yahoo as a preferred source to see more of our stories on Google. The students were hundreds of miles apart. Drugs were blamed at first. But now, researchers believe the truth was far stranger: It ...

Mass hysteria, also known as mass psychosis, is when a group of people simultaneously experience similar unexplained symptoms, often due to psychological factors rather than physical causes. Factors ...

Forbes contributors publish independent expert analyses and insights. Gary Drenik is a writer covering AI, analytics and innovation. This article is more than 10 years old. In psychology it is called ...

Dizziness. Chirping in the ears. Migraines. Memory loss. These are just a few of the symptoms of Havana Syndrome — the mysterious sudden-onset illness that is said to have affected more than 100 US ...

Add Yahoo as a preferred source to see more of our stories on Google. Last week, loud popping sounds triggered a frightening chain of events at J.F.K. Airport. Mass panic spread through two terminals ...

It sounds sexist, and it’s sure to raise the ire of some feminists, but the literature does not lie. Throughout history, groups of people in cohesive social units have suddenly fallen ill or exhibited ...

Humans are social animals and like all social animals have fantastic mechanisms for synching up behavior. If I start yawning, there’s a pretty good chance you’ll start yawning. If I start puking, ...