Clinical psychologist and Pirogov University specialist Elizaveta Kulikova has identified a potential link between cat ownership and an increased risk of developing schizophrenia. This information was reported by the source "Be Careful, News," citing the university's press service.
According to the study findings, cat owners may be twice as likely to develop schizophrenia compared to those who keep other pets. The parasite Toxoplasma gondii has been cited as a possible cause for this.
This parasite can be transmitted from infected cats to humans. Data suggests that up to 70 percent of cat owners may carry toxoplasma.
Kulikova explained that contact with an infected animal can lead to toxoplasmosis. This disease causes cysts to form in muscles, the cardiac muscle, the brain, and the eyes.
When the brain is affected, inflammation occurs, which impacts neurotransmitter processes, including the dopamine system. Toxoplasmosis may alter dopamine levels, increasing the likelihood of developing mental disorders.
Additionally, antibodies generated during the infectious-inflammatory process could also be linked to the risk of schizophrenia. The study further revealed that cats might directly affect the emotional state and behavior of their owners.
Experts highlight that for individuals with pre-existing psychological vulnerabilities, cats could potentially act as triggers for stress and nervous disorders.
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