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 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

Age 19 - I feel like I've been reborn: I'm a determined, cocky, emotionally stable smart-ass

confident guy*Disclaimer* I don't consider myself a "success story" but rather a continual work in progress. Also, this is only what happened with me, no guarantees on results.

Age 33 - Several benefits, but most importantly I discovered the root problem

happy guyQuick bio: Dude. early 30s, married (separated), two kids, fapping almost daily since 18, in recent years it's been 2-3 times a day, pervy little kid since forever. So a week into this round of NoFap (my third attempt in about 18 months) I suddenly became incredibly aware of my real problem.

Age 21 - You get to a point in your NoFap journey where PMO seems fucking disgusting.

A word to the wiseI lost count of my streak (been a few months) and the mere thought of fapping just makes me sick nowadays. I can't even imagine myself returning to my old ways. Ever.

"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.

Age 20 - No more PIED, Feel like a man first time in my life

happy guyNo more PIED, that's why I started. Feel like a man first time in my life. Understand "pride" and keeping your word. No longer a little bitch.

Age 30 - Finally came! Delayed Ejaculation fixed. Thanks NoFap

couple kissingSo it finally happened. I (30M) came during PIV last night. After 47 days of not looking at porn and 32 days without MO, I was able to do something I wasn't sure would ever happen. DE was my whole reason for doing NoFap.

Age 19 - So much more confidence, more energy, less depressed, girls are prettier

happy guySo 50 days ago I started my biggest Nofap streak to this day. Some good things that I noticed from Nofap:

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