Yet another study, by the same US research team, links raised risk of heart attack and stroke to the action of gut bacteria on certain compounds contained in digested food. This time the link is to a compound found in eggs: lecithin. Earlier this month, researchers reported in Nature Medicine how they found L-carnitine, a compound found in red meat and added to energy drinks, can increase heart risk because gut bacteria digest it to produce trimethylamine-N-oxide (TMAO), a metabolite already suspected of helping to clog up arteries...
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