How often do you kiss your partner? Every day? Once a week? Almost never? Did you and your partner kiss the last time you had sex? Not at all? Just a little bit? Or, perhaps, a lot? According to new ...

At a basic level, kissing is a biohazard. What is love then, if not the willingness to expose yourself to a host of nasty diseases lurking in your partner's mouth? But could kissing also be a tool ...