noun
early-onset Alzheimer's disease
Medical term for Alzheimer's disease that develops before age 65. Often used in news and healthcare contexts.
若年性アルツハイマーは65歳未満で発症する認知症の一種です。
Early-onset Alzheimer's is a type of dementia that develops before age 65.
彼は若年性アルツハイマーと診断され、仕事を辞めざるを得なかった。
He was diagnosed with early-onset Alzheimer's and had to quit his job.