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			          Chronic Fatigue Syndrome (CFS) or Systemic Exertion Intolerance Disease (SEID) - MedicineNet
			           
			          Chronic fatigue syndrome (CFS) is defined by two major criteria, chronic severe fatigue for at least six months not caused by a diagnosable disease or relieved with rest and at least four other specific symptoms that occur at the same time or after the development of severe fatigue.
			            http://www.medicinenet.com/chronic_fatigue_syndrome/article.htm
			         
			       
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			          Hope for Chronic Fatigue Syndrome - Slate
			           
			          The debate over this mysterious disease is suddenly shifting.
			            http://www.slate.com/articles/health_and_science/medical_examiner/2015/11/chronic_fatigue_pace_trial_is_flawed_should_be_reanalyzed.html
			         
			       
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			          CFS (Chronic Fatigue Syndrome) - Healthline
			           
			          Chronic fatigue syndrome (CFS) is a debilitating disorder characterized by extreme fatigue or tiredness that doesn't go away with rest, and can't be explained by an underlying medical condition.
			            http://www.healthline.com/health/chronic-fatigue-syndrome
			         
			       
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			          Chronic Fatigue Syndrome - MedlinePlus
			           
			          Chronic fatigue syndrome (CFS) is a disorder that causes extreme fatigue. This fatigue is not the kind of tired feeling that goes away after you rest. Instead, it lasts a long time and limits your ability to do ordinary daily activities.
			            https://medlineplus.gov/chronicfatiguesyndrome.html
			         
			       
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			          What Is ME/CFS? - Solve ME/CFS Initiative
			           
			          Leveraging patient-centered research to cure ME/CFS.
			            http://solvecfs.org/what-is-mecfs/
			         
			       
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			          What is Chronic Fatigue Syndrome - About
			           
			          Learn about chronic fatigue syndrome, its symptoms, treatment options, and how it's diagnosed.
			            https://www.verywell.com/what-is-chronic-fatigue-syndrome-716113
			         
			       
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			          Chronic Fatigue Syndrome (ME), Post Viral Fatigue - Patient
			           
			          Chronic fatigue syndrome (ME) is a condition where you have long-term disabling tiredness (fatigue). Chronic fatigue syndrome symptoms, treatment and post viral fatigue in men and women.
			            http://patient.info/health/chronic-fatigue-syndromeme
			         
			       
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			          Chronic Fatigue Syndrome - Kid's Health
			           
			          At least 1 million people in the United States have chronic fatigue syndrome, a condition that makes it difficult to perform everyday tasks. Read more about CFS.
			            http://kidshealth.org/en/parents/cfs.html
			         
			       
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			          Chronic Fatigue Syndrome - Womenshealth
			           
			          Chronic fatigue syndrome (CFS), also referred to as myalgic encephalomyelitis (ME) or ME/CFS, is a complex, chronic illness that affects about 1 million Americans. Women are two to four times more likely than men to be diagnosed with ME/CFS.  Learn more here.
			            http://www.womenshealth.gov/publications/our-publications/fact-sheet/chronic-fatigue-syndrome.html
			         
			       
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			          Chronic Fatigue Syndrome: Learn About Symptoms and Treatment - eMedicinehealth
			           
			          Chronic fatigue syndrome (CFS) is a disorder that causes symptoms like depression, weakness, headaches, muscle pain, having no energy and being excessively tired.
			            http://www.emedicinehealth.com/chronic_fatigue_syndrome/article_em.htm
			         
			       
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			          Chronic Fatigue Syndrome - Wikipedia, the Free Encyclopedia
			           
			          Wikipedia's information about chronic fatigue syndrome.
			            https://en.wikipedia.org/wiki/Chronic_fatigue_syndrome
			         
			       
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			          Chronic Fatigue Syndromer: Symptoms, Causes, Tests, and Treatments - WebMD
			           
			          Find in-depth information on chronic fatigue syndrome including causes, symptoms, diagnosis, and treatments.
			            http://www.webmd.com/chronic-fatigue-syndrome/
			         
			       
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			          Chronic Fatigue Syndrome: MedlinePlus
			           
			          Chronic fatigue syndrome (CFS) is a disorder that causes extreme fatigue. This fatigue is not the kind of tired feeling that goes away after you rest. Instead, it lasts a long time and limits your ability to do ordinary daily activities.
			            https://www.nlm.nih.gov/medlineplus/chronicfatiguesyndrome.html
			         
			       
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			          CDC: Chronic Fatigue Syndrome (CFS)
			           
			          Chronic fatigue syndrome, or CFS, is a debilitating and complex disorder characterized by profound fatigue that is not improved by bed rest and that may be worsened by physical or mental activity.
			            http://www.cdc.gov/cfs/
			         
			       
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			          Chronic Fatigue Syndrome - Mayo Clinic
			           
			          Chronic fatigue syndrome - Comprehensive overview covers symptoms, causes, prevention, treatment of this complex disorder.
			            http://www.mayoclinic.org/diseases-conditions/chronic-fatigue-syndrome/basics/definition/con-20022009