Emerging Infectious Diseases

Alzheimers disease

Alzheimer's disease is one  type of dementia that causes problems with memory, thinking and behavior. It is an irreversible, increased  brain disorder which  slowly destroys memory and thinking skills, and eventually the ability to carry out the simplest tasks.  Risk factors include a history of head injuries, depression, or hypertension. The causes of dementia may  vary, depending on the types of brain changes that may be taking place. As Alzheimer’s disease improves, people have memory loss and other cognitive difficulties. In the later stages of Alzheimer's disease some may become much aware of what is happening around them. They may  experience difficulties eating , walking without help, become increasingly frail.