A new study speaks of, or at rather hints at, a possible benefit of the practice known as oral sex: “Stimulating an Immune Response? Oral Sex is Associated with Less Endometritis,” Rudiger Pittrof, E. Sully, D. C. Bass, S. F. Kelsey, R. B. Ness [pictured here], and C. L. Haggerty, International Journal of STD & AIDS, […]