During the course of the disease the chemistry and structure of the brain changes, leading to the death of brain cells (see Factsheet 401, What is Alzheimer's disease?).
Cudurkaas gudihiisa nidaamka kiimikeed iyo qaabka maskaxda ayaa isbeddela, taasoo keenta in ay dhintaan unugyada maskaxdu (fiiri Xashida xaqiiqeed ee 401, What is Alzheimer's disease?