WHAT IS CFS: CHRONIC FATIGUE SYNDROME?
Chronic fatigue syndrome, or CFS, causes you to feel so tired that you can’t complete normal, daily activities. While chronic fatigue syndrome has no known cause and is difficult to diagnose, its major symptoms can be treated. It is a complicated disorder characterized by extreme fatigue. The fatigue may worsen with physical or mental activity but doesn't improve with rest. The cause of chron...