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Coffee consumption can trigger stroke risk

Posted On Fri, May 6, 2011

A new study is revealing that some of life's daily rituals can increase a person's risk for stroke.

According to a new study published in the journal Stroke, highly caffeinated beverages, blowing one's nose, sexual activity and drinking cola can increase the chances of someone suffering a stroke because of what it does to a person's blood pressure.

Researchers from the University Medical Center in Utrecht looked at 250 patients over three years and found that there were several daily tasks that weakened blood vessels, causing them to potentially burst and leading to bleeding in the brain. Common activities like drinking coffee and vigorous exercise marginally increased the risk of a blood vessel bursting. Coffee consumption was found to lead to one in 10 burst brain aneurysms.

"All of the triggers induce a sudden and short increase in blood pressure, which seems a possible common cause for aneurysmal rupture," said Minique Vlak, a neurologist and lead author of the study. "Reducing caffeine consumption … may lower the risk of subarachnoid haemorrhage."

Stroke is one of the leading causes of mortality in the U.S. and costs millions of dollars per year in health insurance costs.

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