Having orgasms prevent men from prostate cancer. Two large studies, reported in 2003 and 2004, found that middle-aged men who had (or at least remember having) at least four orgasms a week throughout their 20s, 30s and 40s had a reduced risk of prostate cancer by as much as one-third. Some researchers speculate that ejaculations may clear the prostate of carcinogens.
Most people burp on average 15 times a day.
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.
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.
The best way to tell if you have bad breath is to lick your wrist, let you saliva dry, and then smell it.
Looking at the Sun can trigger a sneeze. For some people, bright lights mean big sneezes.
If you are locked in a sealed room, you will die of carbon dioxide poisoning before your brain starves from oxygen deprivation.
Deep breathing gives you health benefits similar to aerobics.
In 1980, a Las Vegas hospital suspended workers for betting on when patients would die.
A man once sued his doctor because he survived his cancer longer than the doctor predicted.