In Search of the Insanity Virus

New research suggests that viral infections during infancy could cause schizophrenia

| March-April 2011

Schizophrenia is one of the most common mental diseases in the world, affecting about 1 percent of people, but it has vexed medical researchers for decades. We still know very little about how this devastating mental illness begins. A promising new line of research, though, is making waves by tracing it to a previously unexpected source: viral infection during infancy.

If this theory is borne out, it would constitute a sea change in how we understand and treat schizophrenia, Douglas Fox writes in Discover magazine (June 2010):

“The implications are enormous. [Researchers] hold out hope that they can address the root cause of schizophrenia, perhaps even decades before the delusions begin. . . . The results could lead to meaningful new treatments not only for schizophrenia but also for bipolar disorder and multiple sclerosis.”

A key player behind the “insanity virus” theory is Fuller Torrey, director of the Stanley Medical Research Institute in Chevy Chase, Maryland. His sister Rhoda has spent 40 years in state hospitals, suffering from schizophrenia; he has spent the last 30 searching for clues to the mysterious disease.

In his early research Torrey noticed several things about schizophrenia that led him to explore it as a brain disease, not simply a psychological problem. For example, schizophrenics show signs of inflammation in their white blood cells, which fight infection, and they lose brain tissue as the disease progresses. Moreover, in an unexplained oddity known as the birth-month effect, people born in winter and early spring are more prone to schizophrenia.

Torrey and another researcher, infectious-diseases specialist Robert Yolken, went looking and found evidence that schizophrenics had previously suffered from infections, including toxoplasmosis, a parasite spread by house cats.

3/22/2011 5:02:18 PM

Roses are red, Violets are blue, I'm schizophrenic and so am I. Wait isn't that bi-polar. Shut up. No you shut up.

Bob Bennett
3/18/2011 3:50:58 PM

The first I heard of Dr. Torrey, about 15 years ago, was that he was a brillant man who tended to ignore the research; including his own. He made his name with research that proved stress is a factor in the onset of mental illness, particully with schizophrenia. However, due to his group, the Treatment Advocacy Center, which in my opinion and the opinon of many others, is nothing more than a thinly disguised hate group, I am suspect of anything that now comes from him. He has written about several of his relatives who have mental health problems. Many studies have shown that various forms of mental illness are hereditery. Perhaps the 'good doctor' Torrey should have someone check him out.

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