Bright-light therapy can help bipolar disorder, reports Dorothy K. Sit, MD. Bipolar patients with major depression who are already taking a mood-stabilizing medicine may be less depressed and may function better after exposure to bright white light.
More than 68% of patients treated with midday bright light had a normal mood level after 6 weeks, compared with 22% of those who received a placebo in the form of less bright light. Use of light must be medically supervised to watch for side effects, such as mania, irritability and risk-taking behaviors.
Source: Bottom Line Personal December 2017 Dorothy K. Sit, MD, is associate professor of psychiatry and behavioral sciences at Northwestern University Feinberg School of Medicine, Chicago.
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