Alzheimer's disease (AD) is the most common form of dementia and is a slowly progressive neurodegenerative disease of the nervous system. As a rule, it is found in people over 65 years old, but there is also early Alzheimer's disease - a rare form of the disease.
As a rule, the disease begins with subtle symptoms, but progresses over time. Most often, short-term memory disorders are recognized in the early stages, for example, the inability to recall recently learned information. With the development of the disease, there is a loss of long-term memory, speech and cognitive impairments occur, the patient loses the ability to navigate in the environment and take care of himself. The gradual loss of bodily functions leads to death.