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Naturally Occurring Lithium in Drinking Water Linked to Reduced Suicide Rates
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Naturally Occurring Lithium in Drinking Water Linked to Reduced Suicide Rates

Naturally Occurring Lithium in Drinking Water Linked to Reduced Suicide Rates
News

Naturally Occurring Lithium in Drinking Water Linked to Reduced Suicide Rates

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Naturally occurring lithium in public drinking water may have an anti-suicidal effect – according to a new study from Brighton and Sussex Medical School (BSMS) and the Institute of Psychiatry, Psychology & Neuroscience at King’s College London.

Published in the British Journal of Psychiatry, the study collated research from around the world and found that geographical areas with relatively high levels or concentration of lithium in public drinking water had correspondingly lower suicide rates.

“It is promising that higher levels of trace lithium in drinking water may exert an anti-suicidal effect and have the potential to improve community mental health,” said Professor Anjum Memon, Chair in Epidemiology and Public Health Medicine at BSMS and lead author of the study.

He continued, “The prevalence of mental health conditions and national suicide rates are increasing in many countries. Worldwide, over 800,000 people die by suicide every year, and suicide is the leading cause of death among persons aged 15-24 years.”

“In these unprecedented times of COVID-19 pandemic and the consequent increase in the incidence of mental health conditions, accessing ways to improve community mental health and reduce the incidence of anxiety, depression and suicide is ever more important.”

Lithium, sometimes referred to as the “Magic Ion”, is widely and effectively used as a medication for the treatment and prevention of manic and depressive episodes, stabilizing mood and reducing the risk of suicide in people with mood disorders. Its anti-aggressive properties can help reduce impulsivity, aggression, violent criminal behavior and chronic substance abuse.

Lithium is a naturally occurring element and is found in variable amounts in vegetables, grains, spices and drinking water. It is present in trace amounts in virtually all rocks, and is mobilized by weathering into soils, ground and standing water, and thus into the public water supply.

The health benefits and curative powers of naturally occurring lithium in water have been known for centuries. The Lithia Springs, an ancient Native American sacred medicinal spring, with its natural lithium-enriched water, is renowned for its health-giving properties. In fact, the popular soft drink 7-Up contained lithium when it was created in 1929.

Recent studies have also linked lithium to reduced incidence of Alzheimer’s disease and other dementias. This raises the potential for its preventative use to combat the risk of dementia.

“This synthesis and analysis of all available evidence confirms previous findings of some individual studies and shows a significant relationship between higher lithium levels in drinking water and lower suicide rates in the community,” said Professor Allan Young, Chair of Mood Disorders at the Institute of Psychiatry, Psychology & Neuroscience, King’s College London.

He added, “The levels of lithium in drinking water are far lower than those recommended when lithium is used as medicine although the duration of exposure may be far longer, potentially starting at conception. These findings are also consistent with the finding in clinical trials that lithium reduces suicide and related behaviours in people with a mood disorder.”

Professor Memon said: “Next steps might include testing this hypothesis by randomised community trials of lithium supplementation of the water supply, particularly in communities (or settings) with demonstrated high prevalence of mental health conditions, violent criminal behaviour, chronic substance abuse and risk of suicide. This may provide further evidence to support the hypothesis that lithium could be used at the community level to reduce or combat the risk of these conditions.”

The study involved systematic review and meta-analysis of all previous studies on the subject – conducted in Austria, Greece, Italy, Lithuania, UK, Japan and USA – which correlated naturally occurring lithium levels in drinking water samples and suicide rates in 1,286 regions/counties/cities in these countries.

Reference


Memon et al. (2020). Association between naturally occurring lithium in drinking water and suicide rates: systematic review and meta-analysis of ecological studies. The British Journal of Psychiatry. DOI: https://doi.org/10.1192/bjp.2020.128

This article has been republished from the following materials. Note: material may have been edited for length and content. For further information, please contact the cited source.

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