Understand All

Toxoplasma gondii: The Cat Parasite and the Mind-Control Myth

17 Jun 2026

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A cat parasite that really does change rodent behavior has fueled a huge myth—so why do the human claims keep slipping out from under it? In this episode, we unpack Toxoplasma gondii, the mind-control myth, and the actual evidence on human behavior, brain biology, and what the science really supports, so listen now before the rumor outruns the facts.Toxoplasma gondii, the cat parasite behind the toxoplasmosis story, has inspired a lot of mind-control myth-making — but what does the evidence actually show in humans? In this episode, we separate rodent behavior studies from human data and look at what science really says about T. gondii, brain biology, and subtle behavior changes.• Rodent studies show clear changes in fear and risk-taking • Human studies find mixed, often small effects • Brain mechanisms may involve dopamine, GABA, and neuroinflammation • Severe toxoplasmosis matters most in pregnancy and immunocompromised people**Timestamps** 0:00 — The cat parasite rumor 2:10 — What Toxoplasma gondii is 6:05 — Rodent behavior changes 10:40 — Human evidence and the mind-control myth**Related resources** Internal: [Full transcript](#transcript) | [More episodes](#episodes) External: [CDC toxoplasmosis overview](https://www.cdc.gov/parasites/toxoplasmosis/) | [NIH/PMC review on human behavior](https://pmc.ncbi.nlm.nih.gov/articles/PMC2526142/)If this episode made you look at the science behind toxoplasmosis differently, share it with a friend who loves a good biology mystery.

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13:00H | 21 DIC 2025 | Fin de Semana

01 Jan 1970

Fin de Semana

10:00H | 21 DIC 2025 | Fin de Semana

01 Jan 1970

Fin de Semana

12:00H | 20 DIC 2025 | Fin de Semana

01 Jan 1970

Fin de Semana

2ª PARTE | 06 ENE 2026 | EL PARTIDAZO DE COPE

01 Jan 1970

El Partidazo de COPE

3ª PARTE | 22 ENE 2026 | EL PARTIDAZO DE COPE

01 Jan 1970

El Partidazo de COPE

3ª PARTE | 04 MAR 2026 | EL PARTIDAZO DE COPE

01 Jan 1970

El Partidazo de COPE

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Understand All

Toxoplasma gondii: The Cat Parasite and the Mind-Control Myth

This episode hasn't been transcribed yet

Other recent transcribed episodes

13:00H | 21 DIC 2025 | Fin de Semana

10:00H | 21 DIC 2025 | Fin de Semana

12:00H | 20 DIC 2025 | Fin de Semana

2ª PARTE | 06 ENE 2026 | EL PARTIDAZO DE COPE

3ª PARTE | 22 ENE 2026 | EL PARTIDAZO DE COPE

3ª PARTE | 04 MAR 2026 | EL PARTIDAZO DE COPE

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