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How does fatigue affect cancer patients?

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Fatigue, in contrast to tiredness, is a daily lack of energy, an unusual or excessive whole-body tiredness not relieved by sleep. It can be acute (lasting a month or less) or chronic (lasting from one month to six months or longer). Fatigue can prevent a person from functioning normally and impacts a person's quality of life.

From: Cancer-Related Fatigue WebMD Medical Reference

SOURCE: National Cancer Institute.

Reviewed by Laura J. Martin on January 22, 2017

SOURCE: National Cancer Institute.

Reviewed by Laura J. Martin on January 22, 2017

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