You snap at your partner over something trivial, find yourself crying during a commercial, or feel an overwhelming sense of anxiety seemingly out of nowhere. While it’s easy to blame yourself for ...

A brain rhythm working in tandem with the body's natural sleep-wake cycle may explain why bipolar patients alternate between mania and depression, according to new research. The McGill University-led ...

While it’s normal for the challenges of daily life to cause occasional changes in your mood, sometimes there may be a more serious underlying cause. “It can be hard to tell what normal fluctuations in ...