What Is Alzheimer S Disease Caused By
Age is the best known risk factor for alzheimer s disease.
What is alzheimer s disease caused by. The causes probably include a combination of age related changes in the brain along with genetic environmental and lifestyle factors. Scientists don t yet fully understand what causes alzheimer s disease in most people. The apoe gene has three forms. While some risk factors age family history and heredity can t be changed emerging evidence suggests there may be other factors we can influence.
The importance of any one of these factors in increasing or decreasing the risk of alzheimer s disease may differ from person to person. Scientists believe that for most people alzheimer s disease is caused by a combination of genetic lifestyle and environmental factors that affect the brain over time. Everyone has apoe which helps carry cholesterol in the blood. Researchers believe that alzheimer s disease and other dementias are likely caused by multiple factors including genetics lifestyle and environment.
Research is still being conducted to learn a lot more about what causes alzheimer s disease. Health environmental and lifestyle factors that may contribute to alzheimer s disease. In its early stages memory loss is mild but with late stage alzheimer s individuals lose the ability to carry on a conversation and respond to their environment. Changes in the brain can begin years before the first symptoms appear.
Alzheimer s is the sixth leading cause of death in the united states. There probably is not one single cause but several factors that affect each person differently. Family history researchers believe that genetics may play a role in developing alzheimer s disease.