Scientific research
A curated collection of studies and reviews documenting the effects of problematic pornography, organized by theme. Each entry includes a summary, authors, year and a link to the original source.
Depression
Problematic Pornography Use and Psychological Distress: A Longitudinal Study
Engelhardt, R. et al. · 2025 · Drug and Alcohol Dependence / Elsevier
This 2025 longitudinal study followed participants over time to establish that problematic pornography use is a prospective predictor of psychological distress, including anxiety and depression. The longitudinal design makes it possible to demonstrate temporal ordering: pornography use precedes and predicts worsening mental health, strengthening the causal argument that pornography actively damages mental health over time.
Open publicationImpact of Pornography Consumption on Children and Adolescents
Alvarez-Segura, M. et al. · 2025 · PubMed Central / NIH
This 2025 review examines whether pornography can alter the development of children and adolescents and act as a form of trauma. The authors found that early exposure to pornography disrupts normal sexual development, distorts expectations about sex and relationships, and is associated with higher rates of anxiety, depression and behavioral problems in minors — with the developing adolescent brain being disproportionately vulnerable to the neurological effects.
Open publicationProspective Association of Symptoms of Depression and Anxiety with Pornography Viewing
Singareddy et al. · 2024 · Archives of Sexual Behavior / Springer
Using a prospective longitudinal design, this study established that symptoms of depression and anxiety are associated with increased pornography consumption in young adults over time. The data suggest that mental health problems and pornography use reinforce each other in a bidirectional cycle — making it one of the most methodologically rigorous recent studies to demonstrate that temporal relationship.
Open publicationPornography Consumption and Cognitive-Affective Distress
Privara & Bob · 2023 · PubMed Central / NIH
This study examined the relationship between pornography consumption and cognitive-affective distress — a cluster of symptoms that includes stress, anxiety, depression and emotional dysregulation. The results showed that stress, anxiety and depression were strongly correlated with pornography consumption, and that feelings of shame or guilt after use amplified the psychological damage, creating a cycle of mounting distress that is hard to break.
Open publicationPhysiological, Psychosocial and Substance Abuse Effects of Pornography Consumption
Qadri, H.M. et al. · 2023 · PubMed Central / NIH
This comprehensive review documents a sharp rise in the prevalence of erectile dysfunction among men under 40 — an age group that did not show such rates in pre-internet generations — and links it directly to pornography consumption patterns. It also reviews evidence of psychological harm including anxiety, depression and social isolation, with up to 28% of problematic users developing clinical patterns of behavioral addiction.
Open publicationPornography Use Among Adolescents and the Role of Primary Care
Jhe, G.B. et al. · 2023 · PubMed Central / NIH
This clinical study found that adolescents who consume pornography show significantly higher rates of mental health diagnoses — including depression, anxiety and ADHD — as well as greater family dysfunction compared with non-users. The researchers argue that primary care physicians need to screen for pornography use as a health risk factor, alongside other behavioral health concerns in adolescent patients.
Open publicationWho Feels Affected by 'Out of Control' Sexual Behavior? Prevalence and Correlates of CSBD
Briken, P. et al. · 2023 · PubMed Central / NIH
This population-level study examined the prevalence of Compulsive Sexual Behaviour Disorder (CSBD) — the WHO-recognized condition that includes problematic pornography use — with estimates ranging from 1% to 10.8% depending on the population studied. The main risk factors identified were: younger age, male gender, higher frequency of pornography consumption and co-occurring mental health conditions such as depression and anxiety.
Open publicationCompulsive Internet Pornography Use and Mental Health: A Cross-Sectional Study
Camilleri et al. · 2021 · Journal of Addictive Behaviors / NIH
This cross-sectional study of college students in the U.S. found that among compulsive pornography users, 17% had severe or extremely severe levels of depression, 20.4% of anxiety and 13.5% of stress — rates significantly above the population average. The researchers used validated psychological scales and found that the more compulsive the use, the worse the person's mental health profile.
Open publicationIs Pornography Use a Risk for Adolescent Well-Being?
Kohut, T. et al. · 2018 · PubMed Central / NIH
This cross-sectional study found that pornography use among adolescents is associated with lower mental well-being, including higher rates of depression and anxiety and lower life satisfaction. The relationship between pornography use and poor mental health was consistent across genders, establishing that pornography represents a measurable risk to the psychological health of adolescents whose brains are still developing.
Open publicationCompulsive Sexual Behaviour Disorder in the ICD-11
Kraus, S.W. et al. · 2018 · PubMed Central / NIH
This paper formally proposed and justified including Compulsive Sexual Behaviour Disorder (CSBD) in the WHO's ICD-11, estimating its prevalence at 3% to 6% of the general adult population. The authors showed that compulsive pornography use meets the diagnostic criteria of a recognized mental health disorder: loss of control, continued use despite harm and significant life impairment. Men with sexual addiction show depression in 28% of cases — more than double the 12% rate in the general population.
Open publication
Energy & Fatigue
A Period of Abstinence from Masturbation and Pornography Leads to Lower Fatigue and Various Other Benefits: A Quantitative Study
Straub, J., & Schmidt, C. · 2022 · Journal of Addiction Science
A quantitative controlled study of 21 single young men assigned to 3 weeks of abstinence from pornography + masturbation (some also abstained from partnered sex). The abstinence group showed significantly lower mental and physiological fatigue than the control group (measured with a validated fatigue scale). Large effect sizes: full abstinence (d = 1.03 physiological and d = 1.2 mental, p<0.003); pornography+masturbation only (d = 0.8 and d = 0.82). Wakefulness, energy and daytime motivation also increased.
Open publication
Neuroscience
The Impact of Internet Pornography Addiction on Brain Function
Shu et al. · 2025 · PubMed Central / NIH
This recent neuroimaging study directly maps which brain regions become hyperactive and which are inhibited under the influence of pornographic video addiction. The researchers identified specific disruptions in the neural networks that govern attention, impulse control and reward processing. The study provides up-to-date neurological evidence that pornography addiction produces abnormal, measurable patterns of brain activation — not just behavioral change.
Open publicationBlunted Sensitivity to Expected Value During Risky Decision Making in Individuals with Problematic Pornography Use
Wang, J. et al. · 2024 · PubMed / NIH
This 2024 study shows that individuals with problematic pornography use have blunted sensitivity to expected value during risky decision-making tasks — a hallmark of reward-system desensitization. The brain's ability to weigh outcomes accurately becomes impaired, mirroring patterns seen in substance use disorders. The findings provide direct neurological evidence that chronic pornography use degrades decision-making circuitry.
Open publicationNeurobiology of Sex and Pornography Addictions: A Primer
Experimental and Clinical Psychopharmacology · 2022 · Sage Journals
This primer reviews the neurophysiological, genetic and neuroimaging markers specific to pornography addiction, explaining how pornography triggers dopamine release in the nucleus accumbens — the same mechanism activated by addictive drugs. The paper covers how repeated activation of that pathway leads to tolerance, withdrawal-like symptoms and structural changes in the brain, with problematic use estimated at 3% to 6% of the general adult population.
Open publicationInhibitory Control and Problematic Internet-Pornography Use
Antons, S. et al. · 2022 · PubMed Central / NIH
This study examines how problematic pornography use is linked to hyperactivity in the brain's impulsive system and to weakened inhibitory control — the brain's ability to stop unwanted behavior. Researchers found that pornography users showed measurable deficits in executive function and impulse regulation, leaving the prefrontal cortex less effective at suppressing compulsive urges. That neurological impairment reaches beyond pornography, affecting self-control in other areas of life.
Open publicationCognitive Processes Related to Problematic Pornography Use: A Systematic Review
Castro-Calvo, J. et al. · 2021 · PubMed Central / NIH
This systematic review synthesizes research on the cognitive impairments associated with problematic pornography use across four domains: attentional bias, inhibitory control, working memory and decision-making. The authors found consistent evidence of deficits in all four domains among heavy pornography users, showing how pornography degrades core cognitive functions in ways that affect daily functioning and quality of life.
Open publicationAn fNIRS Analysis of Prefrontal Cortex Activity During Pornography Consumption
Cuesta, U. et al. · 2020 · Frontiers in Psychology
Using functional near-infrared spectroscopy (fNIRS), this study measured prefrontal cortex activity directly, in real time, during pornography consumption. The results revealed abnormal prefrontal activation patterns in pornography users, consistent with reduced cognitive control — the brain mechanism responsible for regulating impulses and making deliberate choices. It is one of the few studies to capture these neurological changes during actual pornography viewing.
Open publicationCan Pornography Be Addictive? An fMRI Study of Men Seeking Treatment for Problematic Pornography Use
Gola, M. et al. · 2017 · PubMed Central / NIH
This fMRI study examined men seeking treatment for problematic pornography use and found that their ventral striatum — the brain's main reward center — showed significantly heightened reactivity to erotic cues, mirroring the cue-reactivity patterns seen in drug and gambling addiction. The researchers provided strong neuroimaging evidence that pornography use disorder works like a behavioral addiction with a distinct, measurable neurological signature.
Open publicationPrefrontal Dysfunction in Individuals with Internet Gaming Disorder: A Meta-Analysis of Functional Magnetic Resonance Imaging Studies
Meng, Y. et al. · 2015 · PubMed / Addiction Biology
This meta-analysis examines structural and functional dysfunction in the prefrontal cortex of people with compulsive internet use disorder — pornography included. The findings identify consistent gray matter reductions and hypoactivation in the prefrontal cortex, the region responsible for impulse control and decision-making. The pattern of hypofrontality documented here mirrors what is seen in substance addictions, providing a neurological basis for the loss of behavioral control associated with compulsive use of digital content.
Open publicationNeuroscience of Internet Pornography Addiction: A Review and Update
Love et al. · 2015 · Behavioral Sciences / NIH
This comprehensive review applies to internet pornography the same neurobiological framework used for drug and alcohol addiction. The authors document how repeated pornography use drives the brain into a chronically dysregulated state, identifying the same neurological markers found in substance addiction: sensitization, desensitization, hypofrontality and stress-system dysregulation. Studies cited show that up to 28% of problematic pornography users develop clinical patterns of behavioral addiction.
Open publicationBrain Structure and Functional Connectivity Associated with Pornography Consumption
Kühn & Gallinat · 2014 · JAMA Psychiatry
This landmark study used MRI to scan the brains of 64 men and found that the more hours of pornography consumed per week, the smaller the gray matter volume in the right striatum — the brain's reward center. It also found weaker connectivity between the striatum and the prefrontal cortex, and less reward-system activation when viewing sexual images. The results suggest that chronic pornography use literally shrinks and desensitizes the brain's reward circuitry, mirroring patterns seen in substance addictions.
Open publicationPornography Addiction: A Neuroscience Perspective
Hilton & Watts · 2011 · Surgical Neurology International
This paper draws direct parallels between pornography addiction and cocaine addiction, citing evidence of measurable loss of brain volume in the frontal lobes of heavy users — the same pattern seen in cocaine addicts. The authors argue that pornography acts as a 'supernormal stimulus', far beyond what the brain evolved to process, and that repeated exposure causes neuroplastic changes that impair self-regulation, motivation and emotional control.
Open publication
Relationships
From Pornography Consumption to Sexually Violent Practices
Leon, C.M. et al. · 2025 · PubMed Central / NIH
This 2025 study investigates the path from pornography consumption to perpetrating sexual aggression, examining how repeated exposure to pornographic content normalizes coercive and violent sexual behavior. The researchers found that pornography consumption was a significant predictor of sexually violent practices, particularly when the content consumed depicted non-consensual scenarios — present in up to 88% of the most popular videos.
Open publicationAssociation Between Exposure to Violent Pornography and Attitudes Accepting Violence Against Women
Sanz-Barbero, B. et al. · 2025 · BMC Public Health / Springer
This 2025 study found a direct association between consuming violent pornography and attitudes that accept or minimize violence against women. The researchers found that exposure to violent pornographic content was a significant predictor of rape-myth acceptance and tolerance of intimate partner violence, showing that the type of pornography consumed matters — and that violent content carries a measurable, independent risk.
Open publicationPornography Consumption and Extramarital Sex Attitudes Among Married US Adults
Wright et al. · 2023 · PubMed Central / NIH
Using longitudinal data from married adults in the U.S., this study found that pornography consumption was associated with progressively more permissive attitudes toward extramarital sex. Related research shows that married adults who start using pornography are roughly 2 times more likely to divorce (OR = 2.20) than non-users. The longitudinal design strengthens the causal argument, showing that pornography use precedes — and does not merely correlate with — the shift in attitudes toward fidelity.
Open publicationPornography Use and Violence: A Systematic Review
Sage Journals · 2023 · Sage Journals
This systematic review synthesized the scientific literature on the relationship between pornography use and violence — including sexual aggression, intimate partner violence and abuse. The review found consistent evidence that pornography consumption is associated with higher rates of sexual aggression and more permissive attitudes toward violence, with the current literature rating the evidence as 'strong' for the connection between pornography and sexual offenses.
Open publicationCurvilinear Associations Between Pornography Use and Sexual/Relationship Satisfaction
Willoughby et al. · 2021 · Computers in Human Behavior / Elsevier
This study examined whether there is a 'safe' level of pornography use that does not harm relationships — and found that even moderate use was associated with lower sexual satisfaction and lower relationship stability. The analysis revealed that the negative effects were present at every level of use, challenging the assumption that casual pornography use is harmless to intimate relationships.
Open publicationProblematic Pornography Use and Physical and Sexual Aggression
Brem, M.J. et al. · 2020 · PubMed Central / NIH
This study found that problematic pornography use was associated with increased attitudes supporting violence and with higher rates of sexual and non-sexual aggression. The relationship held even after controlling for other risk factors, suggesting that pornography use contributes independently to aggressive behavior. Data from related reviews show that 33% to 88% of the most popular pornographic videos contain scenes of physical aggression or violence, normalizing those behaviors for users.
Open publicationTill Porn Do Us Part? A Longitudinal Examination of Pornography Use and Divorce
Perry, S. L., & Schleifer, C. · 2018 · The Journal of Sex Research
This longitudinal study used U.S. General Social Survey data across three waves (2006–2014, n=2,125 married adults). Starting to consume pornography between waves roughly doubled the likelihood of divorce (odds ratio ≈ 2.20). The chance of divorce rose from ~6% (no new use) to ~11% (new users). The effect held for both men and women and was strongest among couples who were younger, less religious and initially happier. Stopping use lowered the odds of divorce, especially among women.
Open publicationA Dyadic Approach to Pornography Use and Relationship Satisfaction
Maas et al. · 2018 · Journal of Sex Research / NIH
This study took a dyadic approach — examining both partners in a couple at the same time — to understand how pornography use affects relationship satisfaction. The results showed that individual pornography use was associated with lower satisfaction for both the user and the partner, with the negative effects amplified when only one partner used pornography. Couples who watched pornography together reported higher satisfaction than those in which only one partner consumed it separately.
Open publicationThe Effects of Sexually Explicit Material Use on Romantic Relationships
Minarcik et al. · 2017 · PubMed Central / NIH
This study documents how pornography use leads to a measurable decline in relationship satisfaction and sexual satisfaction over time. The researchers found that pornography use was associated with unrealistic sexual expectations, reduced emotional intimacy and increased conflict. Partners of pornography users frequently report feelings of inadequacy, betrayal and lowered self-esteem — making pornography a relational harm that reaches far beyond the individual user.
Open publication
Sex Life
Bidirectional Positive Associations Between Problematic Pornography Use and Body Dissatisfaction
Demirgül, S.A. et al. · 2025 · ScienceDirect / Elsevier
This 2025 study reveals a bidirectional relationship between problematic pornography use and body dissatisfaction — pornography causes body dissatisfaction, and body dissatisfaction drives increased pornography use, creating a self-reinforcing loop. The researchers found these bidirectional effects in both men and women, showing that pornography's damage to body image is a cycle that gets progressively worse over time.
Open publicationPornography and Its Impact on the Sexual Health of Men
Kirby, M. · 2022 · Wiley / Trends in Urology & Men's Health
This clinical review examines how pornography use lowers sexual satisfaction with real partners, because real partners cannot match the idealized, extreme scenarios of pornographic content — with 33% to 88% of the most popular pornographic videos containing physical aggression or themes of non-consensual violence. The author documents how that expectation gap leads to reduced libido, difficulty reaching arousal without pornography and a progressive need for more extreme content.
Open publicationAssociations Between Online Pornography Consumption and Sexual Dysfunction
Jacobs et al. · 2021 · PubMed Central / NIH
In an international survey of 719 men, 19.3% had some form of sexual dysfunction and 12.2% were specifically diagnosed with erectile dysfunction. Among the men with erectile dysfunction, 61.4% reported never having had the problem before they started using pornography regularly. The results showed a clear dose-response relationship: the higher the pornography consumption, the greater the likelihood of erectile dysfunction.
Open publicationAssociations Between Pornography Exposure, Body Image, and Sexual Body Image
Paslakis, G. et al. · 2021 · PubMed / NIH
This study found that exposure to pornography is directly associated with a negative perception of body image and sexual body image — people who consume pornography are more likely to feel dissatisfied with their own bodies and genitals when they compare themselves to the unrealistic standards of pornographic content. The effects were found in both men and women, directly affecting self-confidence and sexual performance.
Open publicationAssociations Between Adolescents' Pornography Consumption and Self-Objectification, Body Comparison, and Body Shame
Maheux, A.J. et al. · 2021 · PubMed / NIH
This study examined how pornography consumption among adolescents is associated with self-objectification — the tendency to see one's own body as an object to be evaluated by others — and with body-comparison behaviors. Higher frequency of pornography consumption was significantly associated with greater self-objectification, particularly in adolescent girls, an established risk factor for eating disorders and sexual dysfunction in adulthood.
Open publicationThe Potential Associations of Pornography Use with Sexual Dysfunctions: A Systematic Review
Dwulit & Rzymski · 2019 · Journal of Clinical Medicine / NIH
This systematic review synthesized the scientific literature on pornography use and sexual dysfunction, documenting that psychogenic erectile dysfunction in European men under 40 has jumped to between 14% and 28% — rates with no historical precedent in that age group. The authors conclude that the mechanism is neurological: pornography rewires the brain's arousal response in ways that interfere directly with real-world sexual performance.
Open publicationIs Internet Pornography Causing Sexual Dysfunctions? A Review with Clinical Reports
Park et al. · 2016 · Behavioral Sciences / NIH
This widely cited review documents that among men with heavy pornography use, 45.3% reported persistent erectile function problems, 47.9% reported low sexual satisfaction and 46.2% reported low sexual desire. Men who use pornography almost daily show an erectile dysfunction rate of 44%. The authors argue that desensitization of the brain makes real sexual encounters comparatively under-stimulating, and they report clinical cases of full recovery after stopping use.
Open publication