<prompt> All of the following are true regarding Chronic fatigue syndrome, EXCEPTMultiple painful jointsassociated with knee pains without swellingMore common in menPainful cervical lymph nodesPain not relieved even after rest  <response>: B More common in men Chronic Fatigue syndrome is: Clinically evaluated, unexplained, persistent or relapsing fatigue that is of new or definite onset; is not the result of ongoing exertion; is not alleviated by rest; and results in substantial reduction of previous levels of occupational, educational, social, or personal activities; and Four or more of the following symptoms that persist or recur during six or more consecutive months of illness and that do not predate the fatigue: Self-reported impairment in short-term memory or concentration Sore throat Tender cervical or axillary nodes Muscle pain Multi-joint pain without redness or swelling Headaches of a new pattern or severity Unrefreshing sleep Postexertional malaise lasting 24 h 