The Science Of Sick, Part I: Why We Kiss

Turns out that kissing is a biological imperative: Science shows it helps boost our immunities to certain diseases. Want to beat the Cytomegalovirus, a bug that is carried in saliva and is usually harmless but can cause major problems during pregnancy. So here’s what science says: “Female inoculation with a specific male’s cytomegalovirus is most efficiently achieved through mouth-to-mouth contact and saliva exchange, particularly where the flow of saliva is from the male to the typically shorter female.” posted on

This post was created by a user and has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can post awesome lists and creations. Learn more or post your buzz!

Facebook Conversations
          
    Hot Buzz

    A High School Student Committed Suicide After Posting A Message Of Her Intent On YouTube

    omg

    Miss. Republican Senate Candidate’s Thoughts On Gays, Drugs, Libertarians

    ew
    Now Buzzing