A specific group of patients is increasingly appearing at andrology clinics and psychological counseling centers. They are typically young, non-smokers, and do not suffer from underlying conditions like diabetes or hormone deficiency. However, they struggle to maintain an erection during real-life sexual encounters.
A typical example is a 27-year-old single man. He sought medical help due to anxiety over his inability to "finish" with his girlfriend, even though he masturbated daily and reached orgasm quickly when watching pornography. His hormone tests and penile vascular ultrasound results were all normal.
Another case involved a 34-year-old married man. He complained of reduced libido for his wife but maintained a habit of watching pornography every evening. He shared that he needed "new content" to find excitement, while his repetitive marital life left him feeling indifferent.
![]() |
Doctor Duy examining a patient. Photo: Lam Anh |
Doctor Tra Anh Duy, a lecturer in the Faculty of Psychology at the University of Social Sciences and Humanities, Ho Chi Minh City, identifies these as typical cases of PIED (Porn-Induced Erectile Dysfunction).
PIED is not an official diagnosis in the International Classification of Diseases (ICD), but it is a widely used concept in clinical research to describe men's reduced or lost ability to achieve an erection in real-life intercourse, despite responding well to online stimulation.
According to research in the journal Behavioral Sciences, the explosion of high-speed internet and diverse pornographic content correlates with an increase in cases of non-organic erectile dysfunction among young people.
The mechanism of this phenomenon lies in the nervous system. When watching pornography, the brain releases dopamine, a neurotransmitter associated with motivation and pleasure. Online pornography provides continuous novel stimuli with just a click, habituating the brain to extremely high levels of arousal.
A study published in JAMA Psychiatry indicates that frequent consumption of pornographic content is linked to reduced gray matter volume in the striatum, an area crucial for the reward system. This demonstrates that pornography can alter brain structure, rather than being a harmless habit.
Real-life intimacy requires emotional connection, communication, and embraces imperfections. In contrast, the virtual world offers staged scenarios and exaggerated images. When the brain's stimulation threshold has been pushed too high by screens, natural signals from a partner become too subtle, insufficient to create a physiological response.
Moreover, the Dual Control Model in Archives of Sexual Behavior shows that sexual response is a balance between the excitatory and inhibitory systems. Pornography desensitizes the excitatory system to low-intensity stimuli, while real life is easily overwhelmed by the inhibitory system (anxiety, expectations, comparison).
The inevitable consequence is "performance anxiety". After a few failures, men approach sexual encounters with fear. Increased anxiety heightens sympathetic nervous system activity, making erections more difficult. Conversely, returning to virtual porn, where there is no pressure or judgment, the brain "operates smoothly", inadvertently reinforcing the false belief that only the virtual world is safe.
The good news is that PIED is fully recoverable, especially in young men. Thanks to neuroplasticity, the nervous system can readapt when the source of stimulation changes.
Research published in Your Brain on Porn records many cases of significant improvement in erectile function after 8-12 weeks of stopping or reducing pornography consumption, combined with psychological therapy and lifestyle adjustments.
As in the case of the 27-year-old man mentioned above, after 3 months of following recommendations to stop watching pornography and focus on reconnecting emotionally in real-life relationships, his sexual ability improved significantly. For the 34-year-old man, treatment focused on reducing dependence on high-intensity visual stimulation and rebuilding intimacy with his wife.
Doctor Duy emphasizes that PIED is a problem of our time. When the virtual world is stronger than real life, the body is not "broken" but merely reacting according to neurobiological logic. A correct understanding of the issue helps men reduce self-blame and opens the way for effective intervention.
My Y
