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Articles related to focusing on healthy aging, prevention, mobility, cognition, nutrition, independence, and caregiving support.

Oct 21, 2025

5 min

Can a 20 year old have Alzheimer's disease? Understanding extremely rare cases

In February 2023, a case study reported a 19-year-old in China diagnosed with probable Alzheimer's disease, marking the youngest case ever recorded. This highlights that while exceptionally rare, a 20 year old can have Alzheimer's disease, particularly when caused by specific genetic mutations. Diagnoses for individuals under 65 are referred to as 'young-onset' or 'early-onset' Alzheimer's.

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Oct 17, 2025

3 min

Do people with Down syndrome get Alzheimer's and why?

The lifetime risk of developing Alzheimer's disease by age 65 in people with Down syndrome is significantly higher and earlier than in the general population. The direct link is the extra copy of chromosome 21, which causes an overproduction of the protein responsible for forming brain plaques characteristic of Alzheimer's disease.

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