When someone is feeling sad or happy, we might say they’re in a “bad mood” or “good mood.” So when you hear the term “mood disorder,” you might think it’s nothing more than a transient feeling. But ...

Please provide your email address to receive an email when new articles are posted on . Patients with narcolepsy were more than twice as likely as matched controls to have chronic pain. Additional ...

Bipolar disorder is a long-term mood disorder characterized by major fluctuations in mood — both high and low — that can impact daily functioning and behavior. Although bipolar disorder is a chronic ...

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, ...

A student pulling an all-nighter for an exam in her bedroom. Bipolar disorder is a mental health condition that’s characterized by mood swings ranging from depressive lows to manic or hypomanic highs.

Sept. 11, 2025 -- Psychedelics like ketamine, psilocybin, and MDMA are emerging as promising treatments for mood disorders that don’t respond to standard care. What has research shown using these ...