Mood is an integral part of our lives. Mood extremes can lead to psychosis, hallucinations and delusional thinking. For the past 30 years, we’ve assumed that medications can fix mood disorders, but the long-term outcomes have been disappointing. Suicide rates are still high, as are recurring episodes. What’s wrong?

Enter a new clinical concept called "mood hygiene." Scholar and broadcaster Monique Dull talks with researchers in Canada and the United States about how regulating personal habits, social interactions and the environment can benefit patients with mood disorders.