Blueberry Health Benefits Your Heart will Love

Blueberry Health Benefits
Blueberry Health Benefits

Last night my son’s lips were blue – not from extreme cold or lack of oxygen, but a mild case of blueberry addiction!

Seeing any one of my kids with blueberry-stained lips isn’t uncommon. After all, they’re one of our favorite snacks. And that’s a good thing because blueberry health benefits add up to a long and impressive list!

The Many Blueberry Health Benefits

According to the 2018 study Molecular Mechanism and Health Role of Blueberry for Chronic Disease in Human Beings, blueberry health benefits include their anti-cancer, anti-diabetes, anti-inflammation, and anti-obesity properties.

They also enhance our immunity, improve our brain function, repair cognitive decline, strengthen our bones, and help prevent:
  • cardiovascular diseases 
  • degenerative diseases  
  • heart diseases 

and protect our lungs, vision, and liver!

This is an impressive list for the little blue orbs, and it might just be the blue color itself that packs the biggest punch!

Anthocyanins: The Blue in Blueberries

The study, published in the International Journal of Molecular Sciences, credited multiple blueberry compounds for these benefits. The researchers emphasized the importance of polyphenols (a broad term for plant compounds) and anthocyanin flavonoids.

“Anthocyanin” comes from the Greek words for “flower” (anthos) and “blue” (kuanos).  Anthocyanins are red, purple, blue, or black pigments, and ripe blueberries are a top source for this healthy hue.

They’re present in any plant food that’s red, purple, blue, or black, and
 blueberries are packed with healthy blue anthocyanins.

Anthocyanins in abundance!

Canadian researchers have shown that anthocyanin content rises dramatically during the berry ripening phase. At the peak of ripeness, it accounts for 60 percent of the fruit’s total polyphenol concentration.

A team of seven Canadian and American researchers reviewed more than 200 papers on blueberries and anthocyanins. In March of 2020, Advances in Nutrition published their findings.

The researchers suggested that anthocyanins “probably make the greatest impact on blueberry health functionality.”

What is your favorite color? My heart says anthocyanin blue!   

Blueberry Heart-Healthy Benefits

Multiple cohort studies uncovered strong links between blueberries and heart health. A cohort study follows a group of similar people over an extended period of time to see what factors decrease or increase the chances of developing diseases.

It took several large prospective cohort studies in the 1950s and 60s to convince public health professionals to consider the association between smoking and lung cancer.

Cohort studies don’t only make negative connections.  They also make positive ones, as in blueberries, leading to a decrease in heart attacks. 

A cohort study with 16,678 male and female participants found an over 30-percent reduction in coronary artery disease (including fatal and non-fatal heart attacks) for those with higher anthocyanin intake!

Another cohort study with 43,880 males found that those who consumed more anthocyanins had a 14% lower risk of nonfatal heart attacks.

For young and middle-aged women, the news is even better. Published in 2019, this 18-year follow-up study of 93,600 women from the Nurses’ Health Study (NHS) found the women (aged 25 to 42)  consuming the most anthocyanins had a 32-percent lower incidence of heart attack than those consuming the least.

Remarkable! Up to one-third of heart attacks are avoided with higher anthocyanin intake.

What Makes Blueberry Health Benefits Hearty?

Flexible arteries allow our blood to flow more freely, and heart benefits may result from anthocyanin’s ability to reduce arterial stiffness and atherosclerosis (plaque in the arteries).

Researchers from Britain’s Norwich Medical Department of Nutrition performed a cross-sectional study of nearly 1,900 female twins between 18 and 75. Their data revealed that eating just one to two portions of berries per day lowered arterial stiffness and atherosclerosis.
Beginning with heart disease and continuing to every area of our body, the research for blueberry health benefits is hearty.

Enjoy Blueberry Health Benefits with One to Two Portions Daily

Daily consumption of one to two portions of blueberries daily will make us healthier.

A daily bowl of blueberries is a dieter’s best friend.

I love the way the Canadian and American research team concluded their abstract:

“… regular consumption of tasty, ripe blueberries can be unconditionally recommended.”

My kids won’t be the only ones with blue lips tonight! 
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