A fear of the number 13 is called triskaidekaphobia, and fear of Friday the 13th is known as paraskevidekatriaphobia or friggatriskaidekaphobia. In an extra for the phobics, this is the third one in 2012 and each was 13 weeks apart. Fear of Friday the 13th can become a debilitating obsessive disorder.

thirteenIs there anything in it? A paper in the British Medical Journal reported an increased risk of a transport accident on Friday the 13th – but this could be because people are more anxious, or there may be some other factor that has not been taken into account.

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