Alzheimer’s disease (AD) is an irreversible, progressive brain disorder that slowly destroys memory and cognitive skills. In later stages of disease, patients eventually loose the ability to carry out the simplest tasks. Most people with AD develop symptoms in their mid-60s. It is currently ranked as the sixth leading cause of death in the US. More recent estimations indicate, that this neurological disorder may rank third, just behind heart disease and cancer, as a cause of death of elderly people.
AD is one of the types of dementia. We wrote about the research of different types of dementia previously, here. Today we will look at the research effort made in discovering the causes of AD. Why? Because scientists estimate that more than 135 million people will have dementia by 2050. And the most common form of dementia, which accounts for 60%–70% of cases, is Alzheimer’s disease. What are scientifically most observed life-style related factors increasing the occurence of AD in polulation?