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Study provides new understanding of caffeine's protective effects on the cardiovascular system

Scientists have a new understanding of the protective effects of caffeine on the cardiovascular system. While its stimulant effects have long been characterized, a team of Canadian researchers have discovered how caffeine interacts with key cellular factors to remove cholesterol from the bloodstream.


On average, the habitual caffeine-consuming adult ingests 400 to 600 mg of caffeine daily – about two to three cups of coffee per day. Some recent population-level studies have shown that coffee and tea drinkers having that amount of caffeine have a reduced risk of death from cardiovascular disease, but a biochemical explanation of this phenomenon has long eluded researchers, until now.


In a landmark study, researchers have discovered that caffeine is responsible for triggering a cascade effect that ultimately reduces LDL cholesterol in the blood – the so-called "bad" cholesterol. High levels of LDL cholesterol are associated with increased risk of cardiovascular disease.


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