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 ...

Migraine attacks can cause or involve symptoms other than a headache, including mood swings. If rapid shifts in emotion are severe or persistent, they might be a sign of an underlying mood disorder, ...

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 ...

Researchers from McGill University may have discovered the "holy grail" of bipolar disorder research: understanding what causes shifts between manic and depressed states. Sleep-wake rhythms in normal ...

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 ...

From mood swings to sleepless nights, menopause hits women with a barrage of frustrating and often debilitating symptoms. Women go to great lengths to manage these challenges, turning to hormone ...

Research shows that up to 70% of women experience significant mood changes during menopause, yet many feel completely unprepared for the emotional roller coaster. Women might expect hot flashes and ...