6 Known Risk Factors for Alzheimer’s Disease

Alzheimer's disease is a form of dementia that mainly strikes older people, although it can occasionally strike people in their 40s and 50s. While no one cause has been determined, researchers have identified certain factors which may put people at a higher risk of developing the disease. According to the Alzheimer's Association, here are some of the known risk factors for developing Alzheimer's disease: Age Age is the greatest risk factor for the development of Alzheimer's disease. The older a person gets, the higher the risk is of developing the disease. One in nine people over the age of 65 have Alzheimer's disease, and this figure rises to one in three for people over the age of 85. Family History A family history of Alzheimer's disease will also increase a person's chance of getting the condition, particularly if it is a brother, sister, mother or father. The risk is greater if more than one family member has or has had the disease. Genetics Researchers have identified certain mutated genes associated with the disease. Anyone who inherits a copy of the APOE-e4 gene is at greater risk, and the risk is even greater if they inherit two copies of the gene. There are also deterministic genes which, if inherited, would guarantee the onset of the disease. This only accounts for around 1 percent of Alzheimer's cases and often the patients suffer from early-onset. MORE: Tracking early-onset Alzheimer's patients could be key to the cure. Head Injury There is evidence to suggest that head trauma may lead to Alzheimer's disease, par
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