In 1962, an epidemic of laughing broke out in Tanganyika (now Tanzania). Starting among a group of schoolgirls, the laughter spread rapidly, eventually infecting neighbouring villages and forcing schools to close. It lasted for at least six months.

In 1962, an epidemic of laughing broke out in Tanganyika (now Tanzania). Starting among a group of schoolgirls, the laughter spread rapidly, eventually infecting neighbouring villages and forcing schools to close. It lasted for at least six months.

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Anton-Babinski syndrome is a rare condition in which a blind person doesn’t realise they are blind. They usually insist they can see perfectly well, and make up excuses for why they make errors – such as blaming the quality of light in the room, or saying they’re a bit tired.

Anton-Babinski syndrome is a rare condition in which a blind person doesn’t realise they are blind. They usually insist they can see perfectly well, and make up excuses for why they make errors – such as blaming the quality of light in the room, or saying they’re a bit tired.

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