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More than one cup of coffee a day raises heart disease risk

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  • More than one cup of coffee a day raises heart disease risk

    20 Oct 2004

    A Greek study reveals that if you drink more than one cup of coffee per day you are raising your chances of having heart disease. Scientists at Athens and Harokopio Universities say that their studies show that there is definitely a higher risk of cardiovascular inflammation if a person drinks more than one cup of coffee per day.

    Most adults in Western Europe and North America do drink more than one cup of coffee per day. The average British male drinks 1.7 cups per day while the average British female drinks 1.5 cups.

    The Greek study looked at the coffee drinking habits of 3,000 people. They found that there were many indicators of inflammation among those who consumed more than 200ml per day.

    Professor Antonis Zampelas, Co-Author of the study, said, "We did not expect the results for such low amounts of coffee but they are intriguing. Our results show that coffee drinkers are at higher risk of cardiovascular inflammation and what we need now is clinical trials into this. I would not go as far to say people should stop drinking coffee but I personally have cut down the amount I drink."

    You can read about this study in the American Journal of Clinical Nutrition.

    The scientists took blood samples from 3,000 volunteers while they were fasting (half men and half women). They were asked how much coffee they usually drank each day.

    Males consuming more than 200ml of coffee daily had 30% higher levels of C-reactive protein (CRP), their white blood cell counts were 3% higher. This was in comparison to males who never drank coffee. Females who consumed more than 200ml per day had 38% higher CRP levels and their white blood cell count was 4% higher.

    http://www.medicalnewstoday.com/medi...p?newsid=15259
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  • #2
    One cup of coffee a day 'risky'

    Last Updated: Wednesday, 20 October, 2004, 12:28 GMT 13:28 UK

    Drinking more than one cup of coffee a day increases the risk of heart disease, a Greek study shows. Trials

    "We did not expect the results for such low amounts of coffee but they are intriguing.

    "Our results show that coffee drinkers are at higher risk of cardiovascular inflammation and what we need now is clinical trials into this.

    "I would not go as far to say people should stop drinking coffee but I personally have cut down the amount I drink."

    The study, published in the American Journal of Clinical Nutrition, took blood samples from 3,000 people, about half men and half women, while they were fasting.

    The participants were also asked about their coffee drinking habits.

    It found men who drank more than 200ml of coffee a day had 30% higher levels of C-reactive protein (CRP) and 3% higher white blood cell counts - both indicators of cardiovascular inflammation - than those who did not drink coffee.

    Women had 38% higher CRP and 4% higher white blood cell counts.

    Cholesterol

    The report did not identify which coffee ingredients caused the increased risk but Prof Zampelas said the suspicion was that cafestol and kahweol, found in unfiltered coffee, were to blame.

    Cafestol and Kahweol have been linked to high cholesterol levels.

    Dr Jeremy Pearson, associate medical director at the British Heart Foundation, said people with high blood pressure are advised to reduce their intake of coffee.

    But he said the increased risk revealed in the study was "modest" and unlikely by to raise the risk of heart disease significantly.

    He added: "Cutting down on coffee is less likely to help people protect their heart health than other measures, such as taking regular exercise and eating a healthy, balanced diet."

    And Zoe Wheeldon from the British Coffee Association, said: "While this new study is very interesting it should be taken in context and the overwhelming scientific evidence shows that coffee drinking in moderation, four to five cups per day, is perfectly safe for the general population and may confer health benefits."

    http://news.bbc.co.uk/1/hi/health/3759948.stm
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