STDs are sexist, and women are the losers

Article here. Excerpt:

'America is in the middle of an epidemic of sexually transmitted infections, and when it comes to heterosexual transmission, it's hitting women the hardest.

Why is that?

Simply put, because "STDs are biologically and psycho-socially sexist at all levels," said Dr. Hunter Handsfield, a professor emeritus of medicine at the University of Washington Center for AIDS and STD who has studied sexually transmitted diseases for 40 years.
...
One reason STDs are sexist: In heterosexual pairings, they are more readily transmitted from the man to the woman than from the woman to the man.

"So at any one exposure, a susceptible woman is more likely to catch it than a susceptible man," Handsfield said. That's because the lining of the vagina is thinner and more delicate than the skin on a penis, so it's easier for bacteria and viruses to penetrate and take hold. Once there, the moist environment of the vagina is perfect for growth.'