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Cat ownership linked to increased risk of schizophrenia, according to a metanalysis using low quality studies and caveats aplenty.
Medical Mythbusting Commentary for December 4, 2025 Source:Cat Ownership Linked to Increased Risk of Schizophrenia, Research Suggests Reference:Cat Ownership and Schizophrenia-Related Disorders and Psychotic-Like Experiences: A Systematic Review and Meta-Analysis
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The effects of high-potency cannabis on DNA expression as it pertains to several illnesses including the development of psychoses is discussed in this study.
Medical Mythbusting Commentary for November 27, 2024 Source:High-potency cannabis use leaves a distinct mark on DNA Reference: Methylomic signature of current cannabis use in two first-episode psychosis cohorts
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It is unlikely that cats cause schizophrenia due to their propensity to harbour Toxoplasma gondii.
Medical Mythbusting Commentary for August 21, 2024 Source:Do Cats Cause Schizophrenia?
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Small pilot study shows ketogenic diet reduces medication-related metabolic syndrome changes for people being treated for Schizophrenia and Bipolar Disorder
Medical Mythbusting Commentary for April 4, 2024 Source:Pilot study shows ketogenic diet improves severe mental illness Reference:Ketogenic Diet Intervention on Metabolic and Psychiatric Health in Bipolar and Schizophrenia: A Pilot Trial
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More than a bad trip: Experts warn about the risk of cannabis-induced psychosis
Medical Mythbusting Commentary for February 20, 2024 Source:More than a bad trip: Experts warn about the risk of cannabis-induced psychosis
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Five years of legal cannabis: fewer charges, many hospitalizations and more than a few questions
Medical Mythbusting Commentary for October 11, 2023 Source:5 years of legal cannabis: fewer charges, many hospitalizations and more than a few questions Reference:Changes in Cannabis-Attributable Hospitalizations Following Nonmedical Cannabis Legalization in Canada
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Heavy cannabis use can induce psychotic breaks as illustrated in this horrendous act. Evidence also confirms the negative mental health risks with similar use among adolescents.
Medical Mythbusting Commentary for November 26, 2019 Source:Cannabis-induced psychosis blamed in beheading of father at Muskoka cottage
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Ontario Government to publicize health risks of cannabis use in adolescents and young adults
Health Headlines Commentary for July 31, 2017 Source: Ontario prepping awareness campaign on danger of marijuana ahead of legalization
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THC activity on the developing adolescent brain may potentiate risk of schizophrenia in susceptible individuals
Health Headlines Commentary for January 12, 2016 Source: Marijuana could produce schizophrenia-like conditions in teenage brains, but not in adults: study Reference: Adolescent Cannabinoid Exposure Induces a Persistent Sub-Cortical Hyper-Dopaminergic State and Associated Molecular Adaptations in the Prefrontal Cortex