In medical purposes, Lithium is used in its carbonat form, known (Li-carbonate) as an antidepressant drug. This salt has the effect of mood-stabilizer. Lithium does not cause sedative, depressant, or eufforian. This is what distinguishes it against the preparations of other antidepressants. Lithium is used as much as 450-900 mg in a day for medicinal purposes. However, related research in the natural water content of soil is so little known.

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Nestor D. Kapusta, MD, an Austrian psychiatrist, along with his team examined 6460 samples of lithium levels in 99 districts in Austria to find out the correlation of the incidence of suicide in the region. Performed regression to adjust multifariat socioeconomic factors also have an influence on the incidence of suicide. This need be done considering the causes and the factors that influence the incidence of suicide is very diverse. The result is very significant. People who consume ground water which contains lithium in ground water have fewer suicides. The research was also conducted in Japan by Noboru Iwata, PhD, a psychology clinician from Japan, where the result is that, regardless Lithium levels in drinking water, have contributed in reducing the incidence of suicide in the past year 2002-2006.

Lithium in the treatment given in doses that have been adjusted to provide an antidepressant effect. However, it is very difficult to explain how the workings of such low lithium content in drinking water can prevent someone from committing suicide. Allegedly lithium regardless of their level in drinking water can increase the neurotrophic factors, neuroprotective, even neurogenesis. This mechanism is strongly suspected, when held in the tempo of time can make a positive contribution to the Lithium neuropsychiatric constitution, so as to prevent someone to commit suicide.