Kissing On The: Mouth

: Recent research suggests that if both great apes and humans kiss, their last shared ancestor —living roughly 21 million years ago—likely did as well.

: While Western cultures often view a peck on the lips as a friendly or platonic gesture, other societies—particularly in parts of the Middle East and South Asia—reserve it strictly for romantic or sexual affection. Kissing on the Mouth

: In ancient Persia and Rome, a kiss on the mouth was often used between men of equal rank to signify status and equality. : Recent research suggests that if both great

: The act can increase heart rate, dilating blood vessels and potentially lowering blood pressure. Kissing on the Mouth