Rapid tau spread may explain why midlife Alzheimer's progresses more rapidly
Patients with early-onset Alzheimer's disease, whose symptoms start before age 65, have more extensive deposits of tau, a hallmark protein of the condition, compared with patients whose symptoms start at 65-plus, a new study found. What's more, tau accumulates at more than twice the rate in younger compared to older patients and spreads widely throughout the brain.
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