As far back as the 1950s, couples have been asked to strap on monitors, blood-pressure cuffs, oxygen masks and other paraphernalia and copulate, to scientifically quantify the impacts of sex.
Sex as Exercise
Infertility Options
Infertility Options
As far back as the 1950s, couples have been asked to strap on monitors, blood-pressure cuffs, oxygen masks and other paraphernalia and copulate, to scientifically quantify the impacts of sex.