More on the Anatomy of a Kiss
Your body may also play a role in who you prefer to kiss. Researchers have proven that women prefer men with immune system proteins that are different from their own. In theory, having a baby with someone with different immune proteins can lead to healthier offspring. Scientists believe that a woman may be able to smell these proteins while kissing, and that what she smells may affect whether she finds her partner attractive.
Check out the links on the next page for more on kissing, the human body and related topics.