A medical study found that women who gave their men oral sex and swallowed had a lower risk of preeclampsia, the dangerously high blood pressure that sometimes accompanies pregnancy. [https://www.ncbi.nlm.nih.gov/pubmed/10706945 ]
Research published in a 2009 issue of the Journal of Sexual Medicine demonstrates that about 53% of women and about 46% of men in the United States ages 18 to 60 have used a vibrator.
By their late teenage years, at least 3/4 of all men and women have had intercourse, and more than 2/3 of all sexually experienced teens have had 2 or more partners [Sexual and Reproductive Health: Women and Men. 2002]
