We’re taught from a young age thatkissingleads to cooties, but is that really such a bad thing?
This is all thanks to what naturally occurs during a make-out session swapping spit.
These substances are your body’s own naturally occurring bacteria and are responsible for your immune responses.

The more shared bacteria, the easier it is to fight off similar infections (viaMen’s Journal).
A ten-second kiss can actually contain and transfer an average of80 million bacteria!
(viaMicrobiome Journal).

Don’t stress!
A common autoimmune response that many people suffer from is allergies.