Maybe ,however with the untold number of diseases caused by anal sex it doesn't appear to have much of an effec. How does the saying go play with fire get burned well fecal matter can do more then burn you.
The risks are untold and well hidden in this pro deviant culture we live in. In South Carolina a school board introducing homosexual awareness denied the teaching of hygiene and anal sex because,they claim ,it is discriminatory. So while teaching grade school students the glories of anal sex any negative aspects where denied them! Welcome to the brave new world of moral relativism or the sick age of immorality, soon to bring you the benefits of pedophilia and beastiality.