It also includes summaries of research conducted by eight other components of the National Institutes of Health along with the future directions that researchers will take. The prevalence of Alzheimer's disease doubles every five years beyond age 65 years. The report notes that some studies indicate nearly one half of all persons 85 years of age or older have symptoms of Alzheimer's disease. The report emphasizes that Alzheimer's disease is not caused by one factor. It is caused by a number of factors that interact differently in different people.
Age is the strongest risk factor that is known so far.
The Web site includes the text of the progress report and other selected publications, as well as information on how to order other publications free of charge. In addition, announcements from the NIA are included on the Web site. According to the AHA, aspirin therapy is of proven value in the treatment of acute myocardial infarction as well as long-term use in patients with a wide range of manifestations of cardiovascular disease. The AHA recommends that an initial minimum loading dose of 162 mg be used in patients with acute myocardial infarction. If an enteric-coated aspirin is the only preparation available, the first tablet should be chewed or crushed before administration.