Final answer:
Lithium salts are effectively used as a mood stabilizer to treat bipolar disorders, making them an essential medication for managing the condition.
Step-by-step explanation:
Lithium salts are commonly prescribed psychiatric medications used to treat various mood disorders. Among their most important uses, lithium is especially known for its effectiveness in treating bipolar disorders. This makes lithium a vital mood stabilizer, reducing the frequency and severity of manic episodes and, to a lesser extent, depressive episodes associated with bipolar disorder. While lithium is not primarily used for treating central nervous system dysfunctions, various types of depression, or anxiety disorders directly, its stabilizing effect can indirectly benefit certain symptoms of these conditions when they co-occur with bipolar disorder.