Most of us do it, be it romantic, familial, friendly or formal, but kissing among humans and where and how it originated is still hotly debated among historians and anthropologists. Now a new theory ...

Figure 1: Localization and primary and secondary structure of the HIV-1(Mal) DIS. Taken together, these observations support the biological relevance of the present structures. However, phylogenetic ...

You may contract oral herpes from kissing if the other person has an active infection. However, you’re less likely to get genital herpes this way. Share on Pinterest Oral herpes (HSV-1) is usually ...