Kissing is a less aggressive form of bacterial transplant. Studies of three different gingivitis-causing bacteria have documented migration from spouse to spouse. Periodontically speaking, an affair might be viewed as a form of bacteriotherapy.
Mary Roach
Kissing is a less aggressive form of bacterial transplant. Studies of three different gingivitis-causing bacteria have documented migration from spouse to spouse. Periodontically speaking, an affair might be viewed as a form of bacteriotherapy.