Study Links Lower Alzheimer’s Death Rates to Lithium in Drinking Water

Study Links Lower Alzheimer’s Death Rates to Lithium in Drinking Water
Trace levels of lithium in drinking water reduce Alzheimer's death rates in addition to two risk factors for the disease — obesity and Type 2 diabetes, according to a study. The Canadian study dealt with lithium in Texas's drinking water. Researchers published their work in the Journal of Alzheimer’s disease. It is titled “Examining the Relationship between Trace Lithium in Drinking Water and the Rising Rates of Age-Adjusted Alzheimer’s Disease Mortality in Texas.” Lithium is a water-soluble metal in mineral springs and rocks formed by fires. Studies have shown that it can protect nerve cells. In addition, the element is the gold standard for treating bipolar disorder. A University of Copenhagen study found that high lithium levels in drinking water were associated with reduced rates of dementia. This finding, combined with the fact that lithium is used to treat bipolar disorder, prompted Canadian researchers to look at the relationship between trace levels of lithium in drinking water and Alzheimer's patients' rates of mortality, obesity and diabetes. Researchers knew that information about lithium levels in Texas's drinking water were easily available. They were able to collect it for 234 counties. The team looked at 6,180 water samples collected from public wells since 2007. They compared the samples with changes in Alzheimer's death rates. They adjusted the rates for such risk factors as sex, race, education, living in rural areas versus cities, air pollution, physical inactivity, obesity,
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