Perceived Fatigue and Energy are Independent Unipolar States: Supporting Evidence
Persistent fatigue is a common problem ( ∼20-45% of U.S. population), with higher prevalence and severity in people with medical conditions such as cancer, depression, fibromyalgia, heart failure, sleep apnea and multiple sclerosis. There are few FDA-approved treatments for fatigue and great disagreement on how to measure fatigue, with o ver 250 instruments used in research. Many instruments define fatigue as “a lack of energy”, thus viewing energy and fatigue states as opposites on a single bipolar continuum.
Source: Medical Hypotheses - Category: Biomedical Science Authors: Bryan D. Loy, Michelle H. Cameron, Patrick J. O'Connor Source Type: research
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