Olive Oil and Alzheimer's Disease

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Alzheimer's disease is the world's most common neurodegenerative disease and a leading cause of dementia.

One feature of Alzheimer's is a buildup of protein tangles called beta amyloid plaques, in certain neurons in the brain.

A study in mice showed that a substance in olive oil can help to clear these plaques from the brain (35).

A human controlled trial showed that a mediterranean diet enriched with olive oil had favorable effects on brain function and reduced the risk of cognitive impairment (36).