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How do neurofibrillary tangles cause Alzheimer's disease?

Neurofibrillary tangles are composed of a protein that is a normal part of brain cells—called tau. However, in Alzheimer’s disease, it is over-processed, causing it to condense. This happens inside the brain cell. It interrupts the way the brain cell functions and ultimately, it is thought, causes that cell to die.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.