Anal Sex: Common. Yes. Simple as that. Now the particulars. This common sexual activity is used world wide to one, avoid pregnancy, and two as part of a sexual life between partners of all sexual persuasions. The joy of sex and the joy of gay sex are two books that you may want to read to get some idea on how to accomplish this sexual act. Please do not forget that there are stds and anal sex is one area common.
Frequently answered. The safety, advisability, and all other aspects of anal intercourse have been well-explored in healthtap over the years. Please "search" the topic, and i anticipate the medical answer you seek will be found.