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Danish scientists have found that monoclonal toxoplasmosis parasites, often present in cats, increase the risk of schizophrenia in humans.
According to a study released by ScienceDirect, experts have analyzed data from nearly 82,000 people in a comprehensive study on blood donors. In about 3,000 cases mental disorders have been found. Experts have tested the presence of toxoplasmosis in the blood of persons with mental illness and concluded that the infection increased the risk of schizophrenia by 50 percent.
In addition, they noticed that the element appeared in the human body before doctors diagnosed mental illness.
The study has confirmed that toxoplasmosis has a positive effect on the development of schizophrenia.
Scientists have stressed that there is a need for further exploration of the impact of parasites on human health.
Toxoplasma gondii is an intracranial parasite that lives in the intestines of domestic cats. Toxaplasmosis – a disease that is usually easy but with reduced immunity can lead to serious consequences.
Parasites larvae can enter the human body through the raw meat of infected animals on the farm or by contacting the infected pet. The disease spreads widely among people around the world. So far, more than 60 million people have been infected in the United States, according to US Centers for Disease Control and Prevention.
Scientists have previously claimed that toxoplasmosis can change host behavior, causing irreversible changes in the brain. For example, mice and chimpanzees become "not afraid" when they see the smell of cats and leopards, and people are prone to suicide, irrational acts, and tantrums that can not be explained.