This article makes it sound like any type of sex beyond missionary position under the covers with the lights out is bad for your health. How would these geeks know?
Whackjobs come in all packages. :-)
I think they're referring to the general cycle of foreplay, intercourse, afterglow etc...which means just about anything going on between heterosexual, committed couples along with it. As opposed to gay sex, one-night stands, or a quick, under-the-desk BJ.
You mean, other than the fact that they've got data to back up their assertions, and you don't?