Dementia, specifically in the form of Alzheimer's, is projected to be on a significant rise in the next 20 years. Still, we only have a very rudimentary understanding of the disease, how it spreads throughout the brain, and the possible causes and origins behind it. Recent research, however, suggests a strong connection between prolonged stressors in life and the onset of Alzheimer's.
Previous evidence has firmly established that the same risk factors for heart disease -- high blood pressure, diabetes, excess weight, high cholesterol and lack of exercise -- may play a role in Alzheimer's.
Chronic Stress A growing body of research in recent years suggests that chronic stress could be a significant trigger for many types of dementia, from mild cognitive impairment, to complete dementia. Chronic stress is consistently showing up as a major factor in the development of Alzheimer's disease. Such a stressor could result from a major life change, such as a ongoing illness, injury, or major surgery.
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http://preventdisease.com/news/14/031414_Ugly-Truth-of-Dementia.shtml
