Could Chronic Fatigue Syndrome (CFS) Be Caused by an Infection?

The New York Times published an October, 2009prostate cancer. If the link between the retrovirus
article reporting on a research study linking aand CFS is proven, it would revolutionize the
little-known virus with Chronic Fatigue Syndrome,treatment of the disease.
a condition that affects over one millionRather than being treated as a psychological
Americans. The xenotropic murine leukemiacondition, a definitive treatment may now be able
virus-related virus, or XMRV, is a virus related toto be developed. Anti-viral medications have been
the HIV virus, but much less potent. In the initialaround for some time now, and are becoming
study it was found in 68 of 101 CFS patients. Amore refined all the time. Using one of these to
later study found the virus in 98 percent of CFStreat Chronic Fatigue Syndrome, either to alleviate
patients. Clearly, a correlation of sorts existssymptoms or, hopefully, to cure the disease,
between this virus and Chronic Fatigue Syndrome.would be a significant step forward.
The study does not prove that the virus causesRetroviruses cause so much damage because
the syndrome - only that some link between thethey do not have their own DNA. Instead, they
two exists. But this is potentially good news forutilize the DNA of the host cells they invade,
the millions of individuals who have been treateddamaging or destroying them in the process. The
as if their condition or complaints are nothingimmune system becomes compromised, and the
more than symptoms of an overactivebody acquires infections more easily and more
imagination or depression. Chronic Fatigue hasfrequently. Recurring infections weaken the body,
often been relegated to the far corners ofand can eventually hasten its demise.
medicine, ignored, or considered "weakness" onThe research being conducted on the XMRV
the part of its sufferers. It causes widespreadvirus, CFS, and retroviruses in general holds great
pain, feelings of overwhelming tiredness, andpromise. This is one area where medicine is only
sensitivity to touch, cold and heat. Because of itsmaking the earliest inroads; we do not understand
widespread nature, it is very difficult foryet what causes CFS, or even how retroviruses
physicians to treat.are spread. There are many theories, and
XMRV is actually considered a retrovirus, or ascientists are pursuing quite a few leads in several
virus that has ribonucleic acid, RNA, as its geneticareas.
material. Most of us are more familiar with DNA,In the meantime, it is important for us to keep an
or deoxyribonucleic acid, the "building blocks ofopen mind about diseases, their cause, prevention,
life". A retrovirus is single-stranded RNA, asand treatment. And as always, the best cure is
opposed to the more widely-known double-helixprevention. Frequent hand-washing, eating healthy,
of DNA. The XMRV retrovirus has been implicatedfresh, low-fat foods, and consistent exercise are
in the development of several diseases, includingthe best ways to keep ourselves healthy.