HealthNotes

HealthNotes

Healthnotes offers comprehensive, science-based health and lifestyle information. Written with you in mind, Healthnotes answers the most commonly asked questions with credible, easy-to-understand information — edited by physicians who review over 550 scientific and medical journals to keep content current, factual, and balanced.

Blueberry Powder Helps Immune and Cardiovascular Functioning

Blueberry Powder Helps Immune and Cardiovascular Functioning: Main Image
A new study published in the journal Nutrition Research found that blueberry powder improves immune and cardiovascular functioning. During the study, participants received a powder equivalent to 250 grams (about half a pound) of blueberries per day. After six weeks, researchers observed a 4% increase in the immune system’s natural killer (NK) cells. They also observed heart benefits, in particular a reduction in arterial stiffness. While other research has shown that blueberries have a wide range of positive health effects, such as reducing the risk of cognitive decline, this is the first study to directly examine blueberry consumption and NK cell count in humans.
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