anticholinergic drugs, dementia, Alzheimer's, cognitive decline

The chances are good that you are exposed to some lithium almost every day of your life. That’s because this natural element is plentiful in nature. It is found in rocks and soil all over the earth. That means it ends up in our food and water supply. Trace amounts can be found in tomatoes, cucumbers, eggs, milk and mushrooms, to name just a few common food sources. Because levels of lithium in water are highly variable, researchers have been studying long-term exposure to this element and its impact on the brain.

The Latest Research on Lithium in Water:

People who drink water with higher levels of lithium may be less likely to develop dementia. That’s the conclusion of a large epidemiological study from Denmark (JAMA Psychiatry, online, Aug. 23, 2017). Investigators compared 73,731 patients with dementia to 733,653 people without dementia. The subjects ranged in age from 75 to 85 years of age.

Measuring Lithium in Water:

The researchers measured lithium in drinking water from 151 communities around the Denmark and mapped where patients and controls had lived from 1986 to through 2013. Those exposed to naturally higher levels of lithium in their drinking water were less likely to have a diagnosis of dementia.

Prior research has linked lithium treatment to better learning and memory in laboratory animals. In addition, people with bipolar disorder undergoing long-term lithium treatment appear to have a reduced risk for dementia. This study seems to confirm these previous observations.

Lithium vs. Bipolar Disorder, Depression and ADHD:

By coincidence, we wrote about the benefits of lithium for the brain just a few days ago. Over the last few years, evidence has been accumulating that low levels of lithium may be beneficial against a wide range of mental problems. If you would like to learn more about this history of lithium for what used to be called manic depression (now bipolar disorder), here is a link. You will also find out about low-dose lithium in water as a potential preventive against suicide. There is also interest in low doses of this element for treating depression and possibly even ADHD.

JAMA Psychiatry, online, Aug. 23, 2017

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  1. Nancy
    VA
    Reply

    Due to taking an apparently too high dose of lithium for many years, to treat bi-polar disorder, my brother now has badly damaged kidneys. While it helped his bipolar disorder tremendously, the effects on his body should have been monitored closely, and the dosage should have been as low as possible.

  2. John
    Croydon, PA
    Reply

    Would water filters remove lithium along with contaminants?

  3. Art D
    Texas
    Reply

    Ref: Can Lithium in Water Supply Prevent Dementia?:
    Is lithium sold as an OTC supplement? Would it have to be prescribed be your physician? What would be the dosage?

  4. Karen
    Texas
    Reply

    San Pelligrino mineral water has natural lithium. I have been drinking it daily for well over a year, and I feel calmer and less anxious. Plus, it’s delicious!Karen

  5. Gail
    Nj
    Reply

    We have a son with mental illness and 30 years ago I read somewhere that Colorado has the least amt of mentally ill due to the high content of lithium in the water.

  6. Luke
    Reply

    The only cure for Alzheimer’s disease is death. Nothing will fix or prevent it.

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