Here is the serious part of the website and is mainly for healthy people visiting the site who want to learn more about CFS.

Dictionary meaning
Chronic Fatigue Syndrome (n. Abbr. CFS) - A syndrome characterized by debilitating fatigue and a combination of flu like symptoms such as sore throat, swollen lymph glands, low-grade fever, headaches, and muscle pain or weakness.

What is Chronic Fatigue Syndrome
In addition to the dictionary meaning, Chronic Fatigue Syndrome is an illness that is often not taken seriously enough and is also confused with normal everyday tiredness or laziness, but in reality it is a very debilitating illness that effects people of all ages, all over the world.

What are some of the symptoms
The most common symptom with CFS is exhaustion/fatigue which is observed in almost all sufferers, this fatigue is not normal fatigue which is felt by a healthy person who has just done too much. When a person suffers from Chronic Fatigue Syndrome sometimes just getting out of bed and making it through the day, without doing any activities causes them a great deal of fatigue. Other symptoms also include, memory lose, dizziness, sore throat, depression, tender lymph nodes and sleep disturbance.

Names for CFS
CFS - Chronic Fatigue Syndrome.
M.E - Myalgic Encephalomyelitis.
CFIDS - Chronic Fatigue and Immune Dysfunction Syndrome.
PVFS - Post-Viral Fatigue Syndrome.
Source - Dictionary.com