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Can blueberries prevent Alzheimer's disease?

Aug 19, 2025 Source: Cainiu Health
Dr. Yu Yongchao
Introduction
Under normal circumstances, blueberries can help prevent Alzheimer's disease. When consuming blueberries for this purpose, it is recommended to choose fresh ones, wash them thoroughly, and eat them directly or mix them into yogurt or oatmeal. The suggested daily intake is 50-100 grams to avoid excessive consumption that may burden the gastrointestinal system. When purchasing, select plump berries with a bright, vivid color.

Generally speaking, blueberries can help prevent Alzheimer's disease. Detailed analysis is as follows:

Blueberries are rich in anthocyanins, which have strong antioxidant properties. These compounds can reduce damage to brain nerve cells caused by free radicals and protect the structural and functional integrity of nerve cells. Meanwhile, flavonoids in blueberries can improve blood circulation in the brain, increase cerebral blood flow, and provide sufficient oxygen and nutrients to nerve cells, helping maintain normal cognitive function. In addition, studies have found that long-term moderate consumption of blueberries may regulate memory-related neurotransmitters in the brain and delay the decline of cognitive abilities, thus assisting in the prevention of Alzheimer's disease to some extent.

When consuming blueberries for the purpose of helping prevent Alzheimer's disease, it is recommended to choose fresh blueberries. They can be washed and eaten directly or added to yogurt or oatmeal. The daily intake should be controlled between 50-100 grams to avoid excessive consumption that could burden the gastrointestinal system. When purchasing, choose plump and brightly colored berries, and store them refrigerated to maintain freshness. Individuals allergic to blueberries should avoid consuming them.

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