New Insights into Alzheimer's Disease

Alzheimer's disease (AD) is a chronic neurodegenerative condition. It is the leading cause of dementia. The major symptom of AD is the difficulty in remembering recent events. The course of the disease can be divided into four stages that are characterized by a progressive decline of cognitive and functional abilities- pre-dementia, early, moderate and advanced. A diagnosis of the condition is based on the history of the illness, examination of brain tissue, blood tests and cognitive testin...