Scientists are doing their best to find out the exact causes of schizophrenia and for that they are doing biochemistry studies, molecular biology studies and genetic studies.

One study has proved that in those who have schizophrenia a neurochemical imbalance is present. Researchers are studying the neurotransmitters and are testing drugs like antipsychotics on three of the neurotransmitters: dopamine, norepinefrine and serotonin.

Scientists also discovered that people with schizophrenia have problems with the coordination between different areas of the brain. Normally when one area activates others decrease their activity but in schizophrenics these areas keep on being active in the same time with others. Also, during hallucinations of the patients researchers discovered some areas that manifested unusual activity.

The

research made in molecular biology showed that the schizophrenic patients had an irregular pattern of some brain cells. Scientists thought that this pattern might lead them to a possible cause of schizophrenia during the prenatal period or that it shows a possibility for a later development of this disease.

It seems that schizophrenia is not a hereditary disease; this is what genetic studies have showed.

Some people believe that stress is the cause of schizophrenia. This is not true; stress only makes the symptoms look worse but does not mean that it causes the disease.

Others believe that the cause for schizophrenia is drugs. The drug abuse only gives worse symptoms of schizophrenia or triggers schizophrenia to manifest, but this

means that the disease already existed before drugs were taken. In healthy persons drugs only give symptoms like those in schizophrenia but do not create the disease.

A lack of vitamins is not a cause for schizophrenia. Some patients suffering of schizophrenia took vitamins after the disease had manifested and they got better but this could have been only a good effect of the diet and vitamins and they would have recovered any way independent of the followed treatment.

The only certain things scientists know until now about schizophrenia are that schizophrenia is a mental disease, associated with biochemical changes in the brain along with physical changes. This disease generally is unleashed in adolescence, mostly during the period of 16

to 25 and seems to affect 1% of the world population. The existing medications are quite useful and they can treat most of the schizophrenic cases.

Other things scientists are sure of are: schizophrenia is not a disease caused by traumas induced by parents during childhood, or caused by poverty and does not refer to a split of personality either.

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