Playing violent video games makes people violent and aggressive in real life.
Longitudinal and experimental research from the American Psychological Association, American Pediatrics Association, and independent institutions has failed to establish causation between gaming and real-world violence. Cross-national studies find high gaming adoption in Japan and South Korea correlates with historically low violent crime rates; US violence correlates instead with firearm availability, poverty, and policing gaps. Laboratory studies claiming aggression increases conflate short-term arousal (natural after any intense stimulus, sports competition, horror films, exercise) with predisposition to violence. Meta-analyses by prominent researchers (Christopher Ferguson, Douglas Gentile) identify publication bias in this space: studies finding no effect see lower publication rates, skewing the literature. Violent crime has declined alongside gaming popularity growth post-1990s. Politicians and media have blamed gaming cyclically (Mortal Kombat in the 90s, Grand Theft Auto in the 2000s) with renewed fervor following mass shootings, but these same shooters consumed media genres (military propaganda, nationalist cinema) at similar rates. Hundreds of millions of players experience no violence; the causal mechanism remains unexplained. This represents one of psychology's most heavily studied questions with consistent null findings, a rarity that should generate scepticism toward causation claims.