With Kiss Day around the corner we give you eight more reasons to pucker up . A kiss is a Mini vaccination Anytime you lock lips and there is an exchange of saliva there is also an exchange of microbes. A majority of the bacteria in your saliva is common to everyone but around 20 percent are unique to the individual. So the process of kissing triggers your body to produce antibodies to fight the foreign bacteria. It's like a vaccination except the needle and white coats. Stress buster A recent study found that when you're kissing someone your