New research has not reproduced previous findings that suggested Chronic Fatigue Syndrome may be linked to a recently discovered virus.
The authors of the study, from Imperial College London and King’s College London, say this means that anti-retroviral drugs may not be an effective treatment for people with the illness.
Individuals who experience trauma during childhood appear more likely to develop chronic fatigue syndrome as adults, according to a report in the January, 2009, issue of Archives of General Psychiatry, one of the JAMA/Archives journals. In addition, neuro–endocrine dysfunction — or abnormalities in the interaction between the nervous system and endocrine system — appears to be associated with childhood trauma in those with chronic fatigue syndrome, suggesting a biological pathway by which early experiences influence adult vulnerability to illness.
Chronic fatigue syndrome affects as many as 2.5 percent of U.S. adults, according to background information in the article. Little is known about the causes and development of the condition. Risk factors include female sex, genetic predisposition, certain personality traits and physical and emotional stress. “Stress in interaction with other risk factors likely triggers chronic fatigue syndrome symptoms through its effects on central nervous, neuro–endocrine and immune systems, resulting in functional changes that lead to fatigue and associated symptoms such as sleep disruption, cognitive impairment and pain,” the authors write.
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As of May 2, 2009 at 9:47 p.m. (-0500) (ET), the U.S. population
was 306,340,710. Sleep researchers estimate approximately seven percent
of the population suffers from obstructive sleep apnea. Using that
estimate, there are potentially 21,443,850 apneics in the U.S.
~~ Apnea around the world ~~
As of May 2, 2009 at 9:47 p.m. (-0500) (ET), the world population
was 6,777,286,604. Sleep researchers estimate approximately seven percent
of the population suffers from obstructive sleep apnea. Using that
estimate, there are potentially 474,410,062 apneics in the world.
