In the 1960s, a singer named Betty Everett belted, “If you wanna know if he loves you so, it’s in his kiss!”
Covered by Cher in the 1990s, the song neglects to mention what is also “in his kiss” – 80 million bacteria, according to a new study published in the journal Microbiome.
Before germaphobes swear off kissing forever, it should be noted that over 100 trillion microorganisms naturally live in our bodies. Called the microbiome, they are vital for digesting food, synthesizing nutrients and preventing disease. Read more