About 80 million bacteria are transferred during a single 10-second kiss, says a group of researchers from the Netherlands. Partners who kiss each other at least nine times a day share similar communities of oral bacteria, the team says. Image credit: Skyggefotografen / CC BY 2.0. Dr Remco Kort of the TNO Microbiology and Systems Biology in Zeist and his colleagues from Micropia Museum and the VU University Amsterdam investigated the effects of intimate...
