Prophylactic mood stabilization: What is the evidence for lithium exposure in drinking water?

The article discusses whether geographical differences in lithium levels in the drinking supply are linked to suicide rates. It suggests that exposure to micro-levels of lithium may have a prophylactic impact. Topics discussed include the need to evaluate the potential harms of lithium, the need for physicians to consider tolerability when prescribing medication in clinical practice, and lack of association between higher long-term lithium exposure and lower incidence of bipolar disorder.