Pathology

Pathology (in ancient Greek pathos = feeling, pain, suffering and logos = discourse or treatise , i.e., system of formal study) is the study of the processes underlying disease and other forms of illness, harmful abnormality, or dysfunction.

Related uses

• Speech pathology is a quite separate area mostly involved in helping patients with stroke or speech impediments.
• Psychopathology is also used in mental health, denoting the study of mental illness.

Pathological is also used to describe a person's actions in such a way as to credit the action to a disease process or a compulsion:

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• Pathological purchasing or Pathological consumption
• Pathological narcissism
• Pathological liar