2007-01-24

How the Moon rules our Behavior

Fascinating overview in the UK's The Independent about the role that the Moon plays in human behavior.

Thanks for the referral from Strange Attractor.

Here are some good quotes:

Having carried out new research and reviewed 50 other studies, scientists suggest that doctors and the police even need to prepare for how their work rate will increase at different points in the lunar cycle. Among the findings examined by the researchers were studies that showed GP consultations go up during a full moon, according to Leeds University. Appointments rise by 3.6 per cent, which works out at around three extra patients for each surgery. The researchers did not speculate on the nature of the moon-related problems or why they happened, but said that "it does not seem to be related to anxiety and depression".

Gout and asthma attacks peak during new and full moons, according to work carried out at the Slovak Institute of Preventive and Clinical Medicine in Bratislava, where attacks over a 22-year period were monitored.

Data from 140,000 births in New York City showed small but systematic variations in births over a period of 29.53 days - the length of the lunar cycle - with peak fertility in the last quarter. "The timing of the fertility peak in the third quarter suggests that the period of decreasing illumination immediately after the full moon may precipitate ovulation.''

A study in Florida of murders and aggravated assaults showed clusters of attacks around the full moon. A second study of three police areas found the incidence of crimes committed on full-moon days was much higher than on all other days. And a four-year study into car accidents found that the lowest number happened during the full-moon day, while the highest number was two days before the full moon. Accidents were more frequent during the waxing than the waning phase.

Another study of some 800 patients with urinary retention admitted to hospital over a period of three years found higher retention during the new moon compared with other phases of the cycle. Interestingly, patients didn't show any other daily, monthly or seasonal rhythms in their retention problems.

Even what we eat and drink is affected by the lunar cycle, according to a study at Georgia State University. Researchers looked at lunar variations in nutrient intakes and the meal patterns of 694 adults. They concluded: "A small but significant lunar rhythm of nutrient intake was observed with an 8 per cent increase in meal size and a 26 per cent decrease in alcohol intake at the time of the full moon relative to the new moon.''


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