Lithium

Li This alkali metal is named "lithos", from the Greek word λιθoς (transliterated as lithos, meaning "stone"). Lithium Wiki

Filming Concepts

Treatment for Mental Illness

Lithium is used in the treatment of Bipolar disorder as a mood stabilizer.

This drug, is featured in several songs, most famously by Kurt Cobain, Sting, and Evanescence. <videoflash type="youtube">ftUn5GSsPBw|340|275</videoflash>

And how lithium sounds when sung by someone who is probably on lithium amongst many other drugs. -gotta love the polyphonic spree! <videoflash type="youtube">7vzUh_55x2M|340|275</videoflash>