A famous comedian refuses to shake hands whenever he meets someone because he fears catching a disease from them. The behavior of not shaking hands is a(n) and the belief that he will catch a disease is a(n) .

The famous comedian appears to be suffering from obsessive-compulsive disorder, therefore, the behavior of not shaking hands is a compulsion, while the belief that he will catch a disease is an obsession.

Obsession is a strong thought or belief that preoccupies an individual's mind, of which most of the beliefs are unreasonable.

Compulsion can be defined as the state where one has uncontrolled urge to act in an unreasonable manner in repetition.

Obsession and compulsion are two major symptoms that can be noticed in someone who is suffering from obsessive-compulsive disorder. This is a mental disorder that affects the everyday life of the individual.

Learn more about obsessive-compulsive disorder on:

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obsession; obsession

Explanation:

Obsessive-compulsive disorder is simply a repeated, intrusive, and unwanted thoughts forms that leads to anxiety, often goes along a form of ritualized behaviour to relieve this anxiety.

It is a psychiatric disorder with a form of obsessions and compulsions.

Obsessions are simply an unwanted ideas, images or impulses, which constantly enter an individual's mind; compulsions are constantly repeating of a behaviours or mental acts they are mostly associated with obsessions.