Post traumatic stress disorder

Very common

A mental health condition that develops following a traumatic event characterized by intrusive thoughts about the incident, recurrent distress/anxiety, flashback and avoidance of similar situations.

Symptoms may include:

• Reliving - Flashbacks, hallucinations, nightmares of the incident
• Avoiding - Avoiding people, places, things, or memories that remind the trauma
• Excessive arousal - Increased alertness, anger, fits of rage, irritability, or hatred, difficulty sleeping or concentrating...

Obsessive compulsive disorder

Very common

A mental health disorder characterized by repetitive actions that seem impossible to stop.

Symptoms may include:

• Symptoms can be either obsessions or compulsions, or both
• Persistent, repeated and unwanted thoughts
• Urges or images that are intrusive...

Dementia

Very common

A group of symptoms that affects memory, thinking and interfers with daily life.

Symptoms may include:

• Memory loss, generally noticed by the near and dear ones
• Difficulty in communication, especially finding the right words to communicate
• Reduced ability to organize, plan, reason, or solve problems...

Parkinson's disease

Common

A chronic and progressive movement disorder that initially causes tremor in one hand, stiffness or slowing of movement.

Symptoms may include:

• Tremors, trembling of hands, arms, legs, jaw and face
• Stiffness of the arms, legs and trunk
• Slowness of movement...