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Youngest Alzheimer's Patient Stuns Doctors
8 Jun
Summary
- A 19-year-old was diagnosed with probable Alzheimer's in 2022.
- This case is the youngest reported without genetic mutations.
- The patient experienced memory loss starting at age 17.

In 2022, a 19-year-old in China received a diagnosis of probable Alzheimer's disease, making him the youngest individual on record to have the condition. His symptoms, including memory decline, difficulty concentrating, and reading challenges, began around age 17. This case is particularly notable as researchers could not identify any known genetic mutations typically associated with early-onset Alzheimer's.
Brain scans revealed shrinkage in the hippocampus, a key area for memory, and his cerebrospinal fluid showed biomarkers consistent with Alzheimer's. Despite the absence of a family history of dementia and other potential causes like infections or head trauma, the young patient's cognitive decline was significant, impacting his ability to complete high school.
The findings, published in the Journal of Alzheimer's Disease, challenge current understanding of Alzheimer's onset. Researchers emphasize the need for further investigation into early-onset cases to unravel the complex pathways of memory loss and its varied manifestations across different age groups.