Replace hard-core online porn with images of real love-making. It's not as good because they're not as good as the porn. Reporter: We spent a day with him to see the problem first hand. I can't find a way to stop. Reporter: The compulsive user's reactions were twice as active as those in the control group in the pleasure center, known as the striatum, matching the responses of drug and alcohol addicts.
With scans of young people with a porn compulsion show the same result. Children are viewing hard-core porn years and years and years before they'll have their own sexual experience and it's shaken their view of what sex is. But experts are asking is the average teen really ready for this? Does it actually change a person's brain? This doctor, a nur r neuropsychiatrist working at cambridge university tried to find out. I would say that this is something that was not just me. And it just didn't compare. They didn't want to be identified but they were willing to be scanned and compared to a control group of volunteers.
Reporter: We also suspected porn can't be good for the teenage brain but tonight a new study. I tried getting rid of my smartphone. Reporter: But if the internet porn compulsion the same thing as a true clinical addiction? Her friend, danielle, first learned about sex on a porn site. But even if we assume it's an addiction what's the cure? I knew tons of students who were in my grade, my peers, who were doing the same thing. When you put porn into google, what does he think is going to come up? It says if you dress this way you'll be treated well or you'll be powerful. That sounds like a drug addiction.
Parents are able to talk to their children about what real love and real sex later on is. I became almost numb to it. From 12 to 13, all the way up to 14, it was kind of there, uninterrupted. We're the first to have what we have and there's no one before us to guide us.
She found 20 young men between the ages of 19 and 34 whose lives were so controlled by porn they were willing to be a part of the study. Most of the kids I know would trust our parents over two porn stars that we've never met. This transcript has been automatically generated and may not be 100% accurate. That's why what we're doing is so important. . He doesn't have a reservoir of his own experience of sexuality with other people.
It became such a part of my, pretty much which daily routine. There's no one before us. How do you get over that low? Reporter: But for the kid who is view these hard-core images, they can be difficult to erase from the brain. When the data was analyzed the results were astounding.
It was very -- I mean, I came home and I was balling my eyes out. And as powerful as drugs and alcohol. I wasn't sure what I would find but in part because we know so little about this. Reporter: And with pornography so ever-present, some teens become addicted to it.
Sometimes, at heartbreakingly young ages. A former ad exec turned entrepreneur think she has a solution. Probably pictures of make a naked woman. So with friends and I'd find out how much they view porn.