Did you know 90% of the worlds population kisses?

From: Amy H.

Sent: November 18, 2018

To: undisclosed recipients

Subject: Fw: Did you know 90% of the worlds population kisses?

Ms. DEMIRJIAN: Well, in the way that we think of kissing, about 90 percent of the world's population kisses, but there are cultures even still today that are not big on kissing.
The (Mostly) Blissful History of 'Kissing' : NPR
https://www.npr.org/templates/story/story.php?storyId=7348582

Is kissing common in all cultures?
Still, some societies do not consider kissing romantic at all. The Oceanic kiss, for example, involves passing open mouths over each other — without actual contact, according to news.com.au. It's not that these cultures aren't sexual, the researchers said, but that the kiss is not seen as a sexual expression.
A kiss is not a kiss. In some cultures it's just gross, researchers find ...
https://www.washingtonpost.com/.../romantic-kissing-is-not-a-shared-practice-across-cult...

Is kissing a universal sign of affection?
Passionate kissing is not a human universal. From pop culture to evolutionary psychology, we have come to take kissing for granted as universally desirable among humans and inseparable from other aspects of affection and intimacy.
Romantic or disgusting? Passionate kissing is not a human universal ...
hraf.yale.edu/romantic-or-disgusting-passionate-kissing-is-not-a-human-universal/

How did humans start kissing?
Anthropologists are divided into two schools on the origins of kissing, one believing that it is instinctual and intuitive and the other that it evolved from what is known as kiss feeding, a process used by mothers to feed their infants by passing chewed food to their babies' mouths.
Kiss - Wikipedia
https://en.wikipedia.org/wiki/Kiss