Mielialahäiriö
Mielialahäiriö is a Finnish term that translates to mood disorder in English. Mood disorders are a category of mental health conditions characterized by disturbances in a person's emotional state. These disturbances can manifest as prolonged periods of extreme sadness, excessive happiness or irritability, or a combination of both. The most common types of mood disorders include depression and bipolar disorder.
Depression, or major depressive disorder, involves persistent feelings of sadness, loss of interest or pleasure in
Other mood disorders include persistent depressive disorder (dysthymia), seasonal affective disorder (SAD), and premenstrual dysphoric disorder