In November 2004, a panel of experts testified before a Senate subcommittee that a product which millions of Americans consume is dangerously addictive. They were talking about pornography.
The effects of porn on the brain were called "toxic" and compared to cocaine. One psychologist claimed "prolonged exposure to pornography stimulates a preference for depictions of group sex, sadomasochistic practices, and sexual contact with animals."
Whole article is here
http://www.webmd.com/content/article/110/109826.htm
What is your take on this ?