呆痴

zài lǎo nián rén suǒ huàn de jí bìng zhī zhōng lǎo nián dāi chī bìng huàn zhě gěi qí jiā rén dài lái de yā lì hé fù dān kě yǐ shuō shì zuì dú tè hé jù dà de

在老年人所患的疾病之中，老年呆痴病患者给其家人带来的压力和负担可以说是最独特和巨大的。

Among all of the diseases the elderly population could have, Alzheimer's disease is seen as unique and huge.