NotBroken

Evidence

The evidence library

Hundreds of studies grouped by topic. The compilation is not ours: it is the curation of yourbrainonporn.com, and we say so on every card so you can audit it.

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Escalation, tolerance and habituation

studies reporting escalation to more extreme material, tolerance and habituation.

According to the compilation at yourbrainonporn.com.

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Sexual problems

studies linking use to sexual dysfunctions and lower satisfaction.

According to the compilation at yourbrainonporn.com.

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Mental health and cognition

studies linking it to poorer mental health and worse cognitive outcomes.

According to the compilation at yourbrainonporn.com.

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Adolescents

studies on the effects of consumption on adolescents.

According to the compilation at yourbrainonporn.com.

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Attitudes and sexual aggression

studies relating it to problematic sexual attitudes and aggression.

According to the compilation at yourbrainonporn.com.

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Causality by elimination

studies where quitting reverses dysfunctions — the most direct causal evidence.

According to the compilation at yourbrainonporn.com.

Two meta-analyses with a name of their own

These are not lone studies: each one synthesizes dozens of published papers.

135 studies

Media and Sexualization: State of Empirical Research, 1995–2015

A review synthesizing 135 studies from two decades on media and sexualization.

22 studies · 7 countries

Meta-analysis (2015): pornography consumption and acts of sexual aggression

Aggregates 22 studies from 7 countries associating consumption with acts of sexual aggression.

The studies we cite on this page

  • Voon et al., 2014

    correlationalUniversity of Cambridge, published in PLOS ONE: brain responses to sexual material in people with compulsive sexual behavior versus controls.

  • Kühn & Gallinat, 2014

    correlationalJAMA Psychiatry: associates more hours of consumption with differences in brain structure and connectivity — an association, not proof of cause.

  • Park et al., 2016

    case seriesBehavioral Sciences: a review with a clinical case series of sexual dysfunctions associated with internet pornography.

To be honest: the YBOP compilation is the work of a science communicator — Gary Wilson, author of “Your Brain on Porn” (2014) — not a scientific institution, and the science is still debated. Review it yourself:

Explore the full library