It might be well to note that circadian rhythms— a known and accepted physiological principle—are not the same as “biorhythms,” a fad that reached its peak in the 1970s. While circadian rhythms dominate our every bodily function, biorhythms were declared by some to be long-term cycles of physical and emotional health that could be traced back to the date of birth and, at least theoretically, used to project our performance on any given day. “Computers” designed to generate biorhythm charts appeared in shopping malls, restaurants, movie theater lobbies, and turnpike rest stops. In exchange for a quarter the machines purportedly warned people that they would reach a peak or a trough on such and such a day, that they should avoid driving or sexual contact, and so on—sort of a high-tech form of palm reading. Not surprisingly, biorhythms were dismissed as pop science by chronobiologists. In one study, for example, investigators compared reports of thirteen thousand on-the-job accidents, as well as eighty-five hundred airplane mishaps, with the so-called critical days supposedly predicted by the biorhythms of the workers and pilots. No correlation was found.

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Posted on Thursday, January 13th, 2011 at 11:54 am and is filed under Anti Depressants-Sleeping Aid. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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