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Who is the youngest person to ever be diagnosed with Alzheimer's?

While Alzheimer's disease is often associated with advanced age, recent medical history includes a shocking case of early-onset Alzheimer's. In 2023, doctors in China diagnosed a 19-year-old with probable Alzheimer's, making him the youngest person to ever be diagnosed with Alzheimer's. This unprecedented case challenges long-held assumptions about the disease's typical age of onset.