Older Dads May Increase Kids' Schizophrenia Risk
Posted by LouAvul
On News/Activism 10/23/2004 11:49:01 PM PDT· 18 replies · 450+ views
fox | 10-23-04
Children born to older fathers may have a higher risk of developing schizophrenia (search) than those with younger dads, according to a new study. Schizophrenia is a severe, disabling mental illness. Contrary to popular belief, it has nothing to do with multiple or split personalities. Instead, people with schizophrenia hear voices that others don't; they suffer from paranoia and live fearful and withdrawn lives. The first signs of the mental illness emerge around adolescence and early adulthood. The cause of schizophrenia is not known, and there is no cure. The study is based on more than 750,000 Swedes born between...
Mental Health Charity Calls for Cannabis Probe (can 'trigger' psychotic episode of schizophrenia)
Posted by Libloather
On News/Activism 01/30/2005 7:39:28 PM PST· 39 replies · 646+ views
Yahoo News | 1/29/05
Mental Health Charity Calls for Cannabis Probe Sat Jan 29,10:37 AM ET LONDON (Reuters) - A British health charity called on Saturday for an investigation into evidence that smoking cannabis may cause psychosis in people at risk of mental illness. Rethink, which campaigns on behalf of schizophrenia sufferers, said the mental health risks of using cannabis were not widely understood. "There is strong evidence from a wide range of sources that long term and short-term use of cannabis can 'trigger' a psychotic episode of schizophrenia in people who are at high risk of developing schizophrenia --- for instance, people who...
Drug (cannabis/marijuana) 'doubles mental health risk' (psychosis, schizophrenia)
Posted by FairOpinion
On News/Activism 02/28/2005 8:56:41 PM PST· 169 replies · 1,949+ views
BBC News | March 1, 2005 | BBC
The study asked people about their cannabis use Smoking cannabis virtually doubles the risk of developing mental illnesses such as schizophrenia, researchers say. The New Zealand scientists said their study suggested this was probably due to chemical changes in the brain which resulted from smoking the drug. The study, published in the journal Addiction, followed over 1,000 people born in 1977 for 25 years. UK mental health campaigners said it was more evidence of a "drug-induced mental health crisis". The researchers, from the University of Otago, interviewed people taking part in the Christchurch Health and Development Study about their cannabis...
Smoking tobacco 'may ease' some schizophrenia symptoms
Posted by kingattax
On News/Activism 03/01/2005 10:49:08 PM PST· 20 replies · 260+ views
Scotsman.com | 1 Mar 2005 | LYNDSAY MOSS
THE effects of nicotine could help relieve the symptoms of schizophrenia in some sufferers, researchers suggested today. The study, in Granada in Spain, looked at the theory that smoking is a form of "self-medication" for people with schizophrenia. They found that for mildly dependent smokers, nicotine could have a beneficial effect on their symptoms. But the researchers also found that people with a high nicotine dependence were more likely to be readmitted to hospital and have a poor outcome to their condition. The results of the study, published in the British Journal of Psychiatry, noted that worldwide, schizophrenia was linked...
Cannabis use 'trigger for schizophrenia'
Posted by Crackingham
On News/Activism 03/23/2005 12:33:10 PM PST· 104 replies · 1,440+ views
New Zealand Herald | Mar. 24, ,2005 | Kent Atkinson
Cannabis use as a teenager increases the risk of developing schizophrenia in later life, a study using research on New Zealand youths has revealed. A report in the British Medical Journal showed those who used cannabis as a teenager had a 10 per cent chance of developing psychosis by the age of 26. The general public have a 3 per cent risk. The conclusions were based on a study by the Institute of Psychiatry in London of 759 people born in Dunedin, New Zealand, between 1972 and 1973. That report was used and supported by Dutch researcher Dr Jim van...
Social Network's Healing Power Is Borne Out in Poorer Nations (amazing schizophrenia studies)
Posted by neverdem
On News/Activism 06/27/2005 7:32:08 PM PDT· 14 replies · 399+ views
The Washington Post | June 27, 2005 | Shankar Vedantam
RAIPUR RANI, India -- Second of three articles Psychiatrist Naren Wig crossed an open sewer, skirted a pond and, in the dusty haze of afternoon, saw something miraculous. Krishna Devi, a woman he had treated years ago for schizophrenia, sat in a courtyard surrounded by religious pictures, exposed brick walls and drying laundry. Devi had stopped taking medication long ago, but her articulate speech and easy smile were eloquent testimony that she had recovered from the debilitating disease. Few schizophrenia patients in the United States are so lucky, even after years of treatment. But Devi had hidden assets: a doting...
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Schizophrenia linked to mother's lack of sunlightVitamin D's role in building healthy brains had been largely ignored, until researchers began to spot some curious epidemiological trends. People who develop schizophrenia in Europe and North America are more likely to be born in the spring. And they are roughly four times as likely to be born to Afro-Caribbean immigrants living in England as they are to have parents of other ethnic origins living in the same areas.
by Rachel NowakIs schizophrenia caused by an enemy within?David Yolken of Johns Hopkins University in Baltimore and his colleagues have found traces of active endogenous retroviruses in the cerebrospinal fluid of 10 out of 35 patients recently diagnosed with acute schizophrenia. A control group of people without schizophrenia showed no trace of these genes.
by Joanna MarchantInfectious agentWe all carry around retroviral DNA from viruses that inserted themselves into the human genome millions of years ago... David Yolken of Johns Hopkins University in Baltimore and his colleagues have found traces of active endogenous retroviruses in the cerebrospinal fluid of 10 out of 35 patients recently diagnosed with acute schizophrenia. A control group of people without schizophrenia showed no trace of these genes. Yolken says he thought retroviruses might be involved because schizophrenia seems to depend on both environmental and genetic factors... Support for the idea comes from anecdotal evidence that patients often suffer a fever immediately before the onset of schizophrenia. People with HIV can also develop schizophrenia-like symptoms that diminish when they are given antiviral drugs.
by Joanna MarchantCan cats cause schizophrenia?In everyone's DNA are things called "endogenous retroviruses." They're throwbacks to infections our ancestors had and are normally harmless. But if they're activated, they slowly mess up an area of the brain known as the hippocampus. The damage doesn't show up until the brain stops growing in adolescence. And it's between then and age 30 when most schizophrenia develops... Psychiatrist Fuller Torrey and virologist Robert Yolken believe the culprit is something called toxoplasma. That's a parasite found in the feces (spelled faeces in Britain) of about 1 percent of house cats. This bug is killed by most people's immune systems before it causes the disease toxoplasmosis. But a pregnant woman with the parasite can transmit it to her fetus. And here's where it gets interesting. As the resulting baby grows into an adult, the parasite supposedly hides dormant in the person's brain. Then sometime between age 15 and 30, the toxoplasma comes alive, triggers the retrovirus and schizophrenia develops... Torrey and Yolken plan to treat one test group of schizophrenics with an antibiotic that kills toxoplasma, and another group with an anti-viral drug used against the herpes virus.
by Keith HearnNEW SCHIZOPHRENIA THEORYGlial cells play a crucial role in the early development of the brain. In adults they help support neurons, as well as fighting infection. New research suggests that they may also play a big part in causing a devastating mental illness that affects one in 100 people.
[dead link]Retroviral RNA identified in the cerebrospinal fluids and brains of individuals with schizophreniaThe nucleotide sequences identified in the CSFs of the individuals with schizophrenia or schizoaffective disorder were related to those of the human endogenous retroviral (HERV)-W family of endogenous retroviruses and to other retroviruses in the murine leukemia virus genus. Transcription of RNA homologous to members of the HERV-W family of retroviruses also was found to be up-regulated differentially in the frontal cortex regions of brains obtained postmortem from individuals with schizophrenia, as compared with corresponding tissue from individuals without psychiatric diseases.
Karlsson H, Bachmann S, Schroder J, McArthur J, Torrey EF, Yolken RH
I suppose it is possible. One of the worst symptoms of schizophrenia is the constant "voices" that the sufferer hears. These are as real to the schizophreniac as ordinary conversation is to you or I. Perhaps these are due to some sort of short-circuit in the brain.
I read that this is a myth, that language is handled by both sides of the brain, with different processing styles on different hemispheres. According to Joseph Hellige, a psychologist at the University of Southern California, areas on the left deal with the core aspects of speech such as grammar and word production, while aspects such as intonation and emphasis are dealt with by the right side.
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