Coffee Drinking is Associated with Increased Heart Attack Risk
* Independent of any other risk factors for heart disease, heavy coffee consumption has been shown to increase the short-term risk of heart attack, coronary death, or acute myocardial infarction. A J-shaped association is suggested for the link between coffee drinking and risk of developing acute coronary disease: the more coffee consumed, the greater the risk. A large scale epidemiological study looking at heart attacks and risk factors showed that coffee drinking increases the risk of succumbing to an acute myocardial infarction in people with diabetes.
* Researchers have found that caffeine is detoxified in the liver at a slower or faster rate depending on a certain gene. The population is roughly split in half between fast and slow metabolisms for caffeine. For people who are genetically slow metabolizers of caffeine, drinking coffee significantly raises the risk of developing a heart attack, or experiencing a myocardial infarction. Two cups per day increases the risk by 32%, while four cups increases it by 64%. This effect is even more pronounced in individuals younger than 59. For younger adults, heart attack risk is increased 24% by one cup of coffee daily, 67% by two to three cups of coffee or 133% by four or more cups.
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