摘要
1.The complex spectrum of neurodegenerative diseases Epidemiologic data indicate that neurodegenerative diseases（NDDs）show high prevalence with a trend of a progressively growing incidence,especially in aging societies.This presents an increasing social and economic burden.
1.The complex spectrum of neurodegenerative diseases Epidemiologic data indicate that neurodegenerative diseases(NDDs)show high prevalence with a trend of a progressively growing incidence,especially in aging societies.This presents an increasing social and economic burden.In individuals>60years of age,the prevalence of Alzheimer’s disease(AD)is estimated to be 40 of 1000 persons with an annual incidence
