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Worried about your risk of stroke? Eat more citrus fruit!

By Medisys on March 04 2017 | Cardiovascular Health


Eating citrus fruits, especially oranges and grapefruit, may lower women's risk of developing clot-associated or ischemic stroke, according to a study published online in Stroke: Journal of the American Heart Association.


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The researchers from the United Kingdom wanted to examine more closely how consumption of foods containing different classes of flavonoids affected the risk of stroke. 


What are flavonoids?

Flavonoids are bioactive compounds in fruits, vegetables, nuts, dried beans and lentils, cocoa, tea and red wine.  Flavonoids can be categorized into several classes, each class found in certain foods and having specific health properties. Previous studies have shown higher fruit, vegetable and specifically vitamin C intake is associated with reduced stroke risk. 


What is a stroke?

A stroke occurs when part of the brain shuts down because of loss of blood supply, caused either by a blockage or embolism that stops the blood flow (ischemia), or due to leakage caused by a hemorrhage. Flavonoids are thought to provide some protection against stroke by improving blood vessel function and reducing inflammation.

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What did the study find?

For the study, the researchers examined data from the U.S. based Nurse's Health Study. They looked at 14 years of follow-up data completed by 69,622 female participants who every four years had reported their dietary intake, including details of the fruits and vegetables they consumed. They looked for links between the six major subclasses of flavonoids commonly present in the North American diet and risk of ischemic, hemorrhagic and total stroke. The six major subclasses they examined were: flavonones, anthocyanins, flavon-3-ols, flavonoid polymers, flavonols and flavones. Since it is already known that each subclass has a different biological effect, the researchers did not expect to find any strong beneficial links between total flavonoid consumption and stroke risk. But they did find a strong link between high consumption of flavonones in citrus fruits and reduced stroke risk. Women who consumed the most showed a 19% lower risk of ischemic stroke compared to women who ate the least amounts of flavonones from citrus fruits. Oranges (82%) and grapefruit and (14%) had the highest amounts of flavonones. Source: Stroke, Journal of the American Heart Association, February 2012


Just because you don't have any symptoms of cardiovascular disease doesn't mean you are not at risk. Hear this Medisys client's amazing story. 





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