Kissing On The Mouth File

: 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.

When you kiss, your body initiates a complex chemical reaction that impacts both your physical and mental state. Kissing on the Mouth

: 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. : Recent research suggests that if both great

Explore the biological, evolutionary, and social reasons why humans engage in kissing: Why Do We Kiss? YouTube · BuzzFeedVideo The ancient origins of kissing - BBC World Service YouTube · BBC World Service Is Kissing Good For You? | What's Up Docs? YouTube · BBC Sounds Explore the biological, evolutionary, and social reasons why

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

The roots of mouth-on-mouth contact likely trace back millions of years.

: A passionate kiss can transfer approximately 80 million bacteria , acting like a "probiotic" that strengthens the immune system.