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  1. Heretic.Ape.
    [FONT=Verdana, Helvetica, sans-serif]People who drink too much coffee could start seeing ghosts or hearing strange voices, UK research has suggested.

    People who drank more than seven cups of instant coffee a day were three times more likely to hallucinate than those who took just one, a study found.
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    A Durham University team questioned 200 students about their caffeine intake, the journal Personality and Individual Differences reported.

    However, academics say the findings do not prove a "causal link".

    They also stress that experiencing hallucinations is not a definite sign of mental illness and that about 3% of people regularly hear voices.

    "This is the first step toward looking at the wider factors associated with hallucinations," said psychology PhD student Simon Jones, who led the study.

    Under stress

    He said previous research had suggested factors such as childhood trauma could be linked to hallucinations. It made sense to examine the link between food and mood, and - in particular - caffeine and the body's response to stress, he added.

    When under stress, the body releases a hormone called cortisol which is produced in greater quantities after consuming caffeine.

    The extra cortisol boost could be what causes a person to hallucinate.

    Besides coffee, sources such as tea, chocolate, "pep" pills and energy drinks contain caffeine.

    After asking the students about their typical intake, the research team assessed their susceptibility to hallucinatory experiences and stress levels.

    Pregnancy problems

    Among the experiences reported were seeing things that were not there, hearing voices, and sensing the presence of dead people.

    The researchers now plan to investigate whether other aspects of diet, such as sugar and fat consumption, might be associated with hallucinations.

    Recent research has linked high caffeine intake among pregnant women to miscarriage or low birth weight.

    Other studies suggested it could help prevent skin cancer, reduce nerve damage associated with multiple sclerosis, or cause problems for diabetes sufferers.

    The Durham study was funded by the Economic and Social Research Council and Medical Research Council.

    [/FONT][FONT=Verdana, Helvetica, sans-serif]http://news.bbc.co.uk/1/hi/health/7827761.stm[/FONT]

Comments

  1. dutch-marshal
    High caffeine intake linked to hallucination proneness

    source: http://www.dur.ac.uk/news/newsitem/?itemno=7403
    to read the article, follow the link. It reads allot better.
    High caffeine intake linked to hallucination proneness
    (14 January 2009)

    High caffeine consumption could be linked to a greater tendency to hallucinate, a new research study suggests.
    People with a higher caffeine intake, from sources such as coffee, tea and caffeinated energy drinks, are more likely to report hallucinatory experiences such as hearing voices and seeing things that are not there, according to the Durham University study.
    ‘High caffeine users’ – those who consumed more than the equivalent of seven cups of instant coffee a day - were three times more likely to have heard a person’s voice when there was no one there compared with ‘low caffeine users’ who consumed less than the equivalent of one cup of instant coffee a day.
    The researchers say the findings will contribute to the beginnings of a better understanding of the effect of nutrition on hallucinations. Changes in food and drink consumption, including caffeine intake, could place people in a better position to cope with hallucinations or possibly impact on how frequently they occur, say the scientists.
    In the study, funded by the Economic and Social Research Council and the Medical Research Council, 200 students were asked about their typical intake of caffeine containing products, such as coffee, tea and energy drinks as well as chocolate bars and caffeine tablets. Their proneness to hallucinatory experiences, and their stress levels, were also assessed. Seeing things that were not there, hearing voices, and sensing the presence of dead people were amongst the experiences reported by some of the participants.
    The researchers, whose paper is published in the academic journal Personality and Individual Differences, say their finding could be down to the fact that caffeine has been found to exacerbate the physiological effects of stress. When under stress, the body releases a stress hormone called cortisol. More of this stress hormone is released in response to stress when people have recently had caffeine. It is this extra boost of cortisol which may link caffeine intake with an increased tendency to hallucinate, say the scientists.
    Lead author, Simon Jones, a PhD student at Durham University’s Psychology Department, said: “This is a first step towards looking at the wider factors associated with hallucinations. Previous research has highlighted a number of important factors, such as childhood trauma, which may lead to clinically relevant hallucinations. Many such factors are thought to be linked to hallucinations in part because of their impact on the body’s reaction to stress. Given the link between food and mood, and particularly between caffeine and the body’s response to stress, it seems sensible to examine what a nutritional perspective may add.”
    Co–author Dr Charles Fernyhough, also from Durham University’s Psychology Department, noted “Our study shows an association between caffeine intake and hallucination-proneness in students. However, one interpretation may be that those students who were more prone to hallucinations used caffeine to help cope with their experiences. More work is needed to establish whether caffeine consumption, and nutrition in general, has an impact on those kinds of hallucination that cause distress.”
    Mr Jones added: “Hallucinations are not necessarily a sign of mental illness. Most people will have had brief experiences of hearing voices when there is no one there, and around three per cent of people regularly hear such voices. Many of these people cope well with this and live normal lives. There are, however, a number of organisations, such as the Hearing Voices Network, who can offer support and advice to those distressed by these experiences.”
    Research in this area continues and the public can take part in studies at www.dur.ac.uk/s.r.jones
    Facts about caffeine (Source: Wikipedia)
    Caffeine is a central nervous system stimulant, having the effect of temporarily warding off drowsiness and restoring alertness.
    With ninety per cent of North Americans consuming some of form caffeine every day, it is the world's most widely used drug.
    In its pure state, caffeine is a crystalline white powder.
    Caffeine is completely absorbed by the stomach and small intestine within 45 minutes of ingestion.
    When taken in moderation, studies have shown that caffeine can increase the capacity for mental or physical labour.
    Caffeine use can lead to a condition called caffeine intoxication. Symptoms include nervousness, irritability, anxiety, muscle twitching, insomnia, headaches, and heart palpitations. This is not commonly seen when daily caffeine intake is less than 250mg.
  2. TommyRowe
    Re: High caffeine intake linked to hallucination proneness

    Ive had experiences of hallucinations while on high doses of caffine. I used to do No Doz lines during my shifts to stay alert. During the crash I would start getting weird so I stopped doing that for my patients sake. But I dont doubt that they are linked at all.
  3. Jasim
    Swim was in a headshop today and behind the glass in the counter, swim saw a large white bottle. It said 100% purity powdered caffeine.

    Swim hopes that people don't try to mess with this stuff. Caffeine can be a strong stimulant and can be dangerous.
  4. Wierd Logic
  5. RoboCodeine7610
    Maybe it's just because those who drink more coffee sleep less, and it's common knowledge that lack of sleep can cause hallucinations...
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