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LONDON (AFP) People who drink more than seven cups of coffee a day tend to hallucinate more than less caffeine-driven colleagues, according to a study published Wednesday.
Those with a high caffeine intake are three times more likely to have heard a non-existent person's voice than those who drink one cup a day, said the research by psychologists at Durham University.
But the study noted that the tendency to hear voices or have other hallucinations may not be caused by caffeine, but simply reflect the kind of people who drink lots of coffee.
"This is a first step towards looking at the wider factors associated with hallucinations," said Simon Jones, the PhD student who led the study.
http://news.yahoo.com/s/afp/20090114/hl_afp/britainhealthcoffeepsychology
Those with a high caffeine intake are three times more likely to have heard a non-existent person's voice than those who drink one cup a day, said the research by psychologists at Durham University.
But the study noted that the tendency to hear voices or have other hallucinations may not be caused by caffeine, but simply reflect the kind of people who drink lots of coffee.
"This is a first step towards looking at the wider factors associated with hallucinations," said Simon Jones, the PhD student who led the study.
http://news.yahoo.com/s/afp/20090114/hl_afp/britainhealthcoffeepsychology