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Quiz: Can Blueberries Boost Your Brainpower?

Test your knowledge of how this fruit affects brain health


blueberry background and blueberries in someone's head
AARP Staff

This quiz was created with the use of generative AI. It has been reviewed by editors before publication.

Question 1 of 8

What bioactive compound is primarily responsible for giving blueberries their blue color and potent brain benefits?

Anthocyanin is a type of flavonoid specifically responsible for the blue color of blueberries. These compounds help reduce inflammation and support various brain functions.

Question 2 of 8

What diet specifically includes blueberries as the only fruit singled out for its brain benefits?

The MIND diet, which is linked to a lower risk of dementia, singles out blueberries as the only fruit highlighted for their brain health benefits. Their inclusion is due to the presence of powerful compounds like anthocyanins.

Question 3 of 8

What makes wild blueberries nutritionally superior to cultivated ones?

Wild blueberries have 33 percent more anthocyanins and twice the antioxidants compared with regular cultivated blueberries. This makes them particularly effective for supporting brain and overall health.

Question 4 of 8

What happens to blueberry compounds after digestion that helps the brain?

After digestion, smaller molecules from blueberries enter the circulatory system and pass through the blood-brain barrier, where they settle in brain tissue. This helps support cognitive function.

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Question 5 of 8

Why might dried blueberries offer fewer health benefits compared with fresh or frozen?

Dried blueberries lose some polyphenols and flavor during processing. Manufacturers often add sugar, corn syrup or oil, which can negate the health benefits of the berries. Fresh or frozen forms retain more of the beneficial compounds.

Question 6 of 8

What key cognitive function has been shown to improve with blueberry consumption?

A 2022 study in Nutritional Neuroscience found that eating blueberries enhanced brain processing speed, which is crucial for quick thinking and responding to hazards while driving.

Question 7 of 8

Which of the following compounds in blueberries are highlighted as potentially protective for the brain?

All of these compounds that could potentially support brain health are found in blueberries.

Question 8 of 8

What does research suggest is the most effective way to consume blueberries for brain health?

The regular consumption of blueberries is what delivers the most consistent and measurable brain health benefits. Studies emphasize that eating them frequently, not just occasionally or in large single servings, supports improvements in memory, processing speed, attention and overall cognitive function.

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