Should We Add Lithium To Our Drinking Water?

Not just in car batteries — it helps prevent suicide. But is this bold public health step going too far?

The fluoride in the water may be protecting her teeth — but should there be lithium to help protect her brain? Photo by Jen Theodore.

In the United States, the vast majority of citizens receive water from a community water system; instead of drawing from their own individual well that taps an aquifer, they receive water flowing to their home via a…