What do we know about the “science” of kissing? Researcher and author Sheril Kirshenbaum shows we know surprisingly little in The Science of Kissing.
“Kissing is a type of universal language, best interpreted by those involved in the exchange.” pg 209

To start, I didn’t know that humankind wasn’t the only species to demonstrate “kissing” behavior.
“Moose and ground squirrels brush noses. Manatees nibble at their partners. Moles rub snouts and turtles tap heads. Porcupines nuzzle noses – one of the few regions of their bodies that lack quills.” pg 29

I also didn’t know, seems obvious in hindsight, that kissing wasn’t always a common behavior. It has spread throughout cultures and countries because of the way we’re interconnected with technology.
But that wasn’t always the case. Historians and anthropologists have recorded different attitudes towards kissing among various cultures for hundreds of years.
“… he noted that some Finnish tribes were not very interested in kissing, and observed that while the sexes would bathe together completely nude, a kiss on the lips was considered indecent.” pg 57
Kirshenbaum briefly covers a few different scientific studies into sexual behavior or kissing.
“In Alfred Kinsey’s 1948 report ‘Sexuality in the Human Male,’ for instance, kissing style was found to correlate with a person’s level of education. Seventy percent of well-educated men admitted to French kissing, while only 40 percent of those who dropped out of high school did.”

However, I felt that the majority of this book was written anecdotally because there are so few rigorous studies that have been conducted. In fact, one of the chapters of this book consists of suggestions of studies that could be done with some of the information that Kirshenbaum compiled.
… only one in seven women answered that she would consider sex with someone she had not first kissed. Conversely, the majority of men reported that they would not be deterred.” pg 92
Despite what I perceived as a lack of hard science in here, I found the book amusing. Recommended for readers who are looking to be entertained, rather than enlightened, about kissing.
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