{
  "id": 773043,
  "title": "Organisms Living Inside Psychopaths Could Be Driving Bad Behavior, Scientists Claim",
  "url": "https://urgent.news/2026/08/13/organisms-living-inside-psychopaths-could-be-driving-bad-behavior",
  "topic": "science",
  "section": "Science",
  "published": "2026-08-13T13:55:38.000Z",
  "source": {
    "name": "Futurism",
    "slug": "futurism",
    "url": "https://futurism.com/health-medicine/psychopaths-microbiome"
  },
  "original_language": "en",
  "account": "A groundbreaking study suggests a possible connection between the gut microbiome and psychopathic behavior, a controversial personality trait marked by a lack of empathy and antisocial tendencies. Led by University of Porto biomedical scientist Carolina Costa, researchers examined 200 adult participants who completed a questionnaire assessing psychopathic traits, alongside blood, saliva, and fecal samples to analyze bacterial composition. While gut and oral microbiota diversity did not directly correlate with psychopathic traits, those displaying stronger psychopathic traits exhibited higher abundances of three specific bacteria: Allisonella, Prevotella, and C. evryensis. Conversely, T. vincentii had a negative association. The researchers hypothesize that Allisonella, linked to human diseases and inflammation, could be a key factor in psychopathy. Prevotella has been associated with emotional, attentional, and sensory processing deficits. However, the study's limitations, including a small sample size, self-reported data, and potential regional variations, suggest further investigation is needed to establish causality and understand the complex relationship between the microbiome and human behavior.",
  "summary": "\"To our knowledge, this is the first study to explore this association.\" The post Organisms Living Inside Psychopaths Could Be Driving Bad Behavior, Scientists Claim appeared first on Futurism .",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}