Kissing significantly affects your oral microbiome by transferring bacteria, viruses, and other microbes between partners. A 10-second kiss can transfer about 80 million bacteria, according to scientific studies. How Does This Impact Your Oral Microbiome? 1. Microbial Exchange:• Kissing introduces new bacteria to your mouth, including both beneficial and harmful strains.• Over time, partners who … Continue reading The Kiss of Life or Death?