Whats the evidence for lithium to treat bipolar depression?
There have not been any good studies (randomised controlled trials) of lithium as a treatment for the depression you get with bipolar disorder.Glossary randomised controlled trials Randomised controlled trials are medical studies designed to test whether a treatment works. Patients are split into groups. One group is given the treatment being tested (for example, an antidepressant drug) while another group (called the comparison or control group) is given an alternative treatment. This could be a different type of drug or a dummy treatment (a placebo). Researchers then compare the effects of the different treatments.