Mental illness

A wide range of conditions that affect mood, thinking and behavior.

Most common types

• Clinical depression
  

  A mental health disorder characterised by persistently depressed mood or loss of interest in activities, causing significant impairment in daily life.
• Anxiety disorder
  

  A mental health disorder characterised by feelings of worry, anxiety or fear that are strong enough to interfere with one's daily activities.
• Bipolar disorder
  

  A disorder associated with episodes of mood swings ranging from depressive lows to manic highs.
• Dementia
  

  A group of thinking and social symptoms that interferes with daily functioning.
• Attention-deficit/hyperactivity disorder
  

  A chronic condition including attention difficulty, hyperactivity and impulsiveness.
• Schizophrenia
  

  A disorder that affects a person's ability to think, feel and behave clearly.
• Obsessive compulsive disorder
  

  Excessive thoughts (obsessions) that lead to repetitive behaviours (compulsions).
• Autism
  

  A serious developmental disorder that impairs the ability to communicate and interact.
• Post traumatic stress disorder
  

  A disorder characterized by failure to recover after experiencing or witnessing a terrifying event.

Consult a doctor for medical advice