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The Causes of Dementia While there is much that is unknown about the causes of Alzheimer's Disease and other dementias, much research has been done. It appears clear that many factors contribute to causing dementia. Of course, aging and the increasing inability of the brain to repair itself undoubtedly plays a major role. I'm still adding to this page. Right now, make your choice on the pages listed above and go to the topic. There's lots of interesting findings that suggest changes to make to lower your risk. 1) dietary aluminum and in drinking water, 2) small brain size and lower intelligence, 3) cholesterol, 4) animal, especially mammal, meat and fat, 5) low omega-3 fatty acids (low fish oil), 6) head trauma, 7) high blood pressure, 8) obesity, 9) low vegetable and fruit intake, 10) occupational exposure to pesticides, 11) smoking, and 12) genetic abnormalities of several types. Since exercise prevents dementia, the lack of exercise is obviously a cause of dementia. Debatable causes include folic acid and B-12 deficiencies, mercury and other heavy metals, and excessive iron levels. High levels of alcohol increase dementia, but low levels e.g. up to two drinks per day, may actually decrease the risk of dementia. Individuals with diabetes, osteoporosis, schizophrenia, and depression are all at an increased risk of developing dementia. Thomas E. Radecki, M.D., J.D.
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