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Clinical depression

Also called: Major depression
A mental health disorder characterised by persistently depressed mood or loss of interest in activities, causing significant impairment in daily life.
  • Treatable by a medical professional
  • Medium-term: resolves within months
  • Requires a medical diagnosis
  • Lab tests or imaging rarely required
Possible causes include a combination of biological, psychological and social sources of distress. Increasingly, research suggests that these factors may cause changes in brain function, including altered activity of certain neural circuits in the brain.
Consult a doctor for medical advice Sources: Mayo Clinic and others. Learn more
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