Lithium & The Future, page-3321

Perhaps some economists haven’t factored for themselves the need for a dose of lithium to improve their credibility.

Lithium, “the lightest known metal can also lighten your mood. Lithium, atomic number 3, is an element of many uses. It's used in the manufacture of aircraft and in certain batteries. It's also used in mental health: Lithium carbonate is a common treatment of bipolar disorder, helping to stabilize wild mood swings caused by the illness.”