Please participate in an online study concerning the use of sexually explicit material

Click on THIS LINK to fill out a short questionnaire concerning your use of sexually explicit material. The study by Lund University, Sweden is designed to assess the effects of sexually explicit material. It is anonymous.

Brain Scan Studies on Porn Users

At this time, two studies have examined the brains of porn users:

  1. Max Planck Institute logoBrain Structure and Functional Connectivity Associated With Pornography Consumption: The Brain on Porn (2014) - A German study which found 3 significant addiction-related brain changes that correlated with the amount of porn consumed. It also found that the more porn consumed the less activity in the reward circuit, indicating desensitization, and increasing the need for greater stimulation (tolerance).
  2. Cambridge University logoCambridge University: Brain scans find porn addiction (2014). This is the first in a series of studies. It found the same brain activity as seen in drug addicts and alcoholics. It also found that porn addicts fit the accepted addiction model of wanting "it" more, but not liking "it" more. One other major finding was that 60% of subjects (average age: 25) had difficulty achieving erections/arousal with real partners, yet could achieve erections with porn.

Start here for a brief overview of concepts & science

This article is a short synopsis of some key concepts. For the science behind it, please follow all the links and see this page. Some links go to our articles, which in turn link to studies. For a more in-depth understanding and further evidence see The Research Page. For specific content explore Porn FAQs.

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What happens when you drop a male rat into a cage with a receptive female rat? First, you see a frenzy of copulation. Then, progressively, the male tires of that particular female. Even if she wants more, he has had enough. However, replace the original female with a fresh one, and the male immediately revives and gallantly struggles to fertilize her.

Gary's TEDx talk - "The Great Porn Experiment"

Captions also available for 한국의, Chinese, Português, Czech, Deutsch, Estonian, עברית, Hungarian, Italian, Polski, Serbian, Slovak. To see them, click on the 'YouTube' logo to watch on YOUTube. Then, when you get there, click on "CC" for captions (bottom right of screen). Ver YBOP series in Español. Make captions in your own language!

Age 20 - much better sense of how to deal with pain and rejection without loss of courage

cranes flyingThe journey has been a great one. I started nofap challenge in may but kept on failing until i realised i needed to change every aspect of my life and not just PMO.

Age 25 - ED: Today I have no issues with erection and my early ejaculation has also healed

boner powerToday, I can say proudly >>> I had sex - a powerful sex - for the first time in my 25 years, with a powerful boner.

Age 29 - Female sex addict

woman's lipsDone and done. For me it boiled down to a couple realizations. First, the mind is like a garden. By extension, the mind must be treated like a garden.

6 months - I have a working penis (no more PIED!)

legs in bedAfter what felt like forever, I finally beat PIED. It feels soooo good to finally be able to have sex with my girlfriend, whom when I told, was understanding and really supported my throughout this difficult journey.

"How long will my reboot take?"

Goal“I have Porn induced ED. How long will my reboot take?” This is maybe the most common question I get in emails and blog comments. And I understand why: you want to know what to expect.

While some guys with mild cases of porn-induced ED can reboot within 3-6 weeks of no PMO (no porn, masturbation, or orgasm), for others it can take up to 4 months. And in some extreme cases, it may take up to a year or more to fully recover.

Hollywood takes on porn-induced sexual dysfunctions (Movie review: "Men, Women and Children")

Jason ReitmanIn the new film Men, Women and Children, Crash director Jason Reitman, does a brilliant, excruciating job of examining the first generation to come of age on smartphones. But they aren't the only generation battered by the momentum online.

How I beat 17 years of DE after 63 days of NoFap

happy coupleThere have been many great success stories on here and I thought I would create a throw away account to share my story with you all. I understand that not everyone has DE, delayed ejaculation, instead of ED. I thought I would bring some hope to people who have DE as there are not many related success stories.

Age 21 - social anxiety greatly improved, more energy, less negative, easier to talk to girls

young guyToday is my 60th day without pmo and i'm freaking happy about it. After countless relapses it was hard for me to believe that I could make it this far, so if you are feeling like that right now, don't give up. Anyone can do this.

Age 20 - 90 days of hardmode! Starting to feel like a new man

wave surfingI did it, I made it to day 90. At first it seemed impossible but I did it. I had one wet dream on day 53 but that's it.

Robb Wolf Interviews Gary

Robb Wolf show logoRobb and Gary discuss the parallels between junk food and highspeed internet porn, and why both are challenging for today's consumers.

Listen here

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