What is senile dementia?
認知症予防を強化へ 自公が“基本法案”を提出 | NHKニュース
認知症 行方不明者1万6900人 過去最多 警察庁 | NHKニュース
アルツハイマー病の基礎知識 - アルツハイマー病情報サイト
Is there a difference between Alzheimer's disease and senile dementia?
Do you think you’ll be fully functional when you grow old?
How should families look after relatives who become dementia?
What can people do to keep senility away?