World Health Organization (WHO). They note that the most common form of dementia is Alzheimer’s disease, which accounts for 60–70% of all cases.In the United States, the National Institute on Aging estimate that more than 5.5 million people have Alzheimer’s disease.
Most of them are over 65 years of age. The disease is a neurological disorder in which the death of brain cells results in progressive memory loss and cognitive decline.While existing drug treatments help reduce the symptoms of Alzheimer’s disease and improve people’s quality of life, they neither slow its progression nor cure it.The brains of people with the condition contain distinctive plaques between nerve cells, as well as clumps of fibers known as neurofibrillary tangles.