Sexology is the study of sex and all the things that have to do with it.
Some people might think sexology is a very interesting and important thing to study, while others might think it is not important at all.
Examples:
She studies sexology at the university.
The book is about sexology.
Sexology is a very important science.
I don't think sexology is a good thing to study.
In the future, everyone will know about sexology.
He wants to learn more about sexology and help people with it.