Blueberries Could Reduce The Risk Of Cardiovascular Diseases By 20 Percent


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The phytochemicals that give blueberries their blue color can fundamentally improve cardiovascular health. 

Hypertension named “the silent killer” since it has no visible symptoms in its beginning periods. It influences roughly 1 out of 3 adults in the United States.  

Moreover, the condition puts a strain on the cardiovascular framework, which over the long haul may add to heart failure, stroke, and kidney failure.  

However, would it be a good idea for you to eat anything specifically to keep your arteries healthy?

In a past Spotlight include, we rounded up 16 foods that studies have suggested can improve cardiovascular health.  

In addition to this, along with broccoli, spinach, pulses, and fish, berries may likewise reduce heart disease. Berries can reduce heart diseases because they have antioxidant polyphenols. 

New research focuses in on the cardiovascular impacts of blueberries. This research finds that anthocyanin mediates the advantageous impacts that this fruit has on the cardiovascular system.  

The lead author of the study is Ana Rodriguez-Mateos, Ph.D., from the Department of Nutritional Sciences at King’s College London, in the United Kingdom. The analysts published their discoveries in The Journals of Gerontology: Series A. 

Anthocyanins and blood pressure:  

According to Medical News Today, Rodriguez-Mateos and her associates selected 40 study members. These members were in perfect health and separated them into groups:

One got a daily drink comprising of 200 grams (g) of blueberries, and another group got a control drink.  

To inspect the impacts of the blueberries, the researchers took the members’ blood pressure. Then they measured the flow-mediated dilation (FMD) of their brachial arteries. FMD is a standard indicator of cardiovascular hazard. It quantifies how much the brachial artery broadens when blood flows at a higher rate.  

In the second piece of the investigation, the researchers contrasted drinking blueberries and drinking purified anthocyanins or control drinks. These control drinks had a concentration of fiber, minerals, or vitamins equal to those in blueberries. 

A decrease in blood pressure by 5mm Hg:

The researchers saw the advantageous impacts of the blueberry drinks just 2 hours after the members had consumed them. 

Blueberries Could Reduce The Risk Of Cardiovascular Diseases By 20 Percent
Image from www.medicalnewstoday.com

“Purified anthocyanins exerted a dose-dependent improvement of endothelial function in healthy humans, as measured by [FMD],” report the authors. 

The endothelium is a sort of membrane inside the heart and blood vessels. It contains endothelial cells that help control the dilation and contraction of the arteries.  

In addition to this, endothelial cells help keep blood pressure within proper limits. These cells also assume a key role in blood clotting.  

The authors continue, “[t]he effects were similar to those of blueberries containing similar amounts of anthocyanins, while control drinks containing fiber, minerals, or vitamins had no significant effect.” 

Following a month of having 200 g of blueberries every day, the members’ blood pressure decreased by 5 millimeters of mercury (mm Hg), on average. The analysts note that such a reduction is typically acquired with medication.  

“Our results identify anthocyanin metabolites as major mediators of vascular bioactivities of blueberries and changes of cellular gene programs,” conclude the researchers.  

Rodriguez-Mateos remarks on the findings, saying, “although it is best to eat the whole blueberry to get the full benefit, our study finds that the majority of the effects can be explained by anthocyanins.” The researchers clarify that anthocyanins “circulate in [the] blood as the phenolic acid metabolites.”  

“If the changes we saw in blood vessel function after eating blueberries every day could be sustained for a person’s whole life, it could reduce their risk of developing the cardiovascular disease by up to 20 [percent].” 

 

 

 

 

 


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Jessica Emile

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