When you're in the middle of a kiss, the last thing you're likely to think about is the other person's saliva, much less what may or may not be transferring between you. But turns outs there's a ...

Leonardo DiCaprio shared a gross anecdote about his first kiss and how much saliva was involved. Leonardo DiCaprio shared a gross anecdote about his first kiss and how much saliva was involved.

My love comes with microbes, with 80 million bacteria in a single kiss. And couples who share more than nine long kisses a day end up with similar mouth microbiomes. Pucker up!

(NEWSER) – A kiss is just a kiss—except for when it's a major bacteria conduit. A new study published in Microbiome takes a look at what happens when we kiss intimately, and finds that 10 ...

Kissing is great and we are sure that it makes you feel awesome! So, before you lean in for a kiss with the love of your life, let us learn some really mind-boggling facts about making out.

By comparing blood and saliva samples from before and after the kissing sessions, she discovered that cortisol, a hormone involved in stress, went down in both men and women.