Select the option that can be used as a one-word substitute for the given group of words.

A person exhibiting excessive worry about one’s health

Hypochondriac

The option that can be used as a one-word substitute for the given group of words is hypochondriac.

• Intellectual means a person who is highly intelligent or who has a great deal of knowledge.
• Hypochondriac means a person who is excessively and unduly worried about their health.
• Megalomaniac means a person who has an exaggerated sense of their own importance or abilities.
• Expert means a person who has a great deal of knowledge or skill in a particular area.