Human genome research is casting new light on Alzheimer's disease.人类基因组的研究使人们对阿尔茨海默病有了新的认识。Several years ago, she was diagnosed as having Alzheimer's disease.几年前，她被诊断患有阿尔茨海默病。Alzheimer's disease is one of medicine's most puzzling and feared illnesses.阿尔茨海默病是医学界最疑难、最可怕的病症之一。