Depression is characterized by a persistent low mood that can affect quality of life. If symptoms usually only occur in the winter months, it may be seasonal affective disorder (SAD), or major ...
The word depressive comes from depress, stemming from the Latin depressare, meaning to “press down.” For example, we can press down on, or depress, a lever. Whenever you press a key or drive and step ...
Where mood disorders can cause temporary or fluctuating changes in mood, personality disorders cause symptoms that remain consistent over time and across a range of situations. For example, bipolar ...
Depression and anxiety disorders arise from complex disturbances in brain chemical signalling. Key monoamine neurotransmitters—serotonin, noradrenaline and dopamine—regulate mood, motivation and ...
Researchers found that 8.3% of US adults had at least one major depressive episode. In adolescents, the rate was 20.1%, with 29.2% of female adolescents reporting a major depressive episode. Major ...
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