Chronic Fatigue Syndrome: 8 Warning Symptoms To Look Out For
December 20, 2017 14:20
It’s normal to feel tired after strenuous physical exercise or difficult mental activities. But there’s a condition in which people feel extremely fatigued for no apparent reason. The condition is called chronic fatigue syndrome (CFS); its other names are myalgic encephalomyelitis (ME) and systemic exertion intolerance disorder (SEID).