[cassowary37]

Fun lithium fact: while most people start the lithium story with Cade (indeed, there's a form of lithium-responsive bipolar disorder which was sometimes called Cade's disease), it was previously used by Lincoln's surgeon general, William Hammond, to treat manic excitement (in the form of lithium bromide). But Hammond thought it was the bromide, not the lithium, that did the trick.

obligatory wikipedia reference: https://en.wikipedia.org/wiki/William_A._Hammond