If Lithium comes into contact with the skin, it can cause severe chemical burns. Lithium salts, on the other hand, are used to treat bipolar disorders, mania and depression. But these are by no means all of the applications of that chemical element with the atomic number 3, because in combination with Omega, the last letter of the Greek alphabet, Lithium forms an acoustic drug with a highly addictive quality: Omega Lithium! history