‘A new systematic review of more than a dozen studies from around the world has confirmed an association between geographical areas with naturally high levels of lithium in the water supply and low rates of suicide. The researchers suggest trials should be undertaken to test whether adding trace levels of lithium to a community’s water supply could improve wellbeing and reduce suicide rates….’
— via New Atlas
Pharmaceutical lithium carbonate is used in psychiatry as a mood stabilizer, but some mental healthcliniicians believe that it has specific anti-suicidality effects. A credible explanation of the neurochemical basis for lithium’s benefits is not really known despite widespread speculation.