Gut bugs are implicated in heart attacks and stroke

Written by Sharon Begley who wrote as the science editor for Newsweek and a couple of books.
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http://wkzo.com/news/articles/2013/apr/24/gut-bugs-are-implicated-in-heart-attacks-and-stroke/
Thousands of heart attack victims every year have none of the notorious risk factors before their crisis - not high cholesterol, not unhealthy triglycerides. Now the search for the mystery culprits has turned up some surprising suspects: the trillions of bacteria and other microbes living in the human gut.
In a study released on Wednesday, scientists discovered that some of the bugs turn lecithin - a nutrient in egg yolks, liver, beef, pork and wheat germ - into an artery-clogging compound called TMAO(trimethylamine-N-oxide). They also found that blood levels of TMAO predict heart attack, stroke or death, and do so "independent of other risk factors," said Dr Stanley Hazen, chairman of cellular and molecular medicine at the Cleveland Clinic's Lerner Research Institute, who led the study.
That suggests a TMAO test could enter the arsenal of blood tests that signal possible cardiovascular problems ahead. "TMAO might identify people who are at risk (for heart attacks and strokes) despite having no other risk factors," Hazen said.
The discovery also suggests a new approach to preventing these cardiovascular events: altering gut bacteria so they churn out less TMAO.

Full article at the link.