How common is having cfs? Who gets it?

CFS. This can occur in any person but seems to be associated as a symptom of a larger disease. People at greater risk are people in their 40-50's, women are affected more frequently, and an unhealthy lifestyle increases risk.
Common. There may be as many as one million americans with cfs. People of all ages can get cfs, however it is most common in people ages 40-50. Women are four times as likely to develop cfs as men. Cfs is less common in children and adolescents than adults.