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Tuesday, June 7, 2011

Drinking too much coffee can make you hear voices....


Drinking too much coffee can make you hear voices, warn scientists

Last updated at 2:11 AM on 7th June 2011

Caffeine: Those who drank a large number of coffees were more likely to hear White Christmas in white noise
Caffeine: Those who drank a large number of coffees were more likely to hear White Christmas in white noise
IfF you keep hearing things that aren’t there, you’re probably drinking too much coffee.
Just five cups a day could be enough to make your ears play tricks on you, according to researchers.
In an experiment, volunteers who had consumed ‘high levels’ of caffeine thought they were listening to Bing Crosby singing White Christmas even though the song was not being played.
The researchers described caffeine as ‘the most commonly used psychoactive drug’.
They said the study showed that the health risks of too much coffee need to be addressed.
In the tests, 92 volunteers were asked to listen to a constant fuzzy sound known as white noise.
'Am I hallucinating or is that really you unloading the dishwasher?'
Professor Simon Crowe, of La Trobe University in Melbourne,  said: ‘We also told them that within the white noise there may be parts of the song White Christmas and if you hear it, press a button.
‘We didn’t include White  Christmas in the white noise  but found that more people  who were very stressed and  had high levels of caffeine thought they heard the song.
‘The combination of caffeine and stress affect the likelihood of an individual experiencing a psychosis-like symptom.’
The team from the university’s School of Psychological Sciences found that five cups of coffee a day was enough to trigger this.
Professor  Crowe added: ‘Caution needs to be exercised with the use of this overtly “safe” drug.’


Read more: http://www.dailymail.co.uk/health/article-1394873/Drinking-coffee-bring-hallucinations-warn-scientists.html#ixzz1OZTzvHTr

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