Smoking, gum disease, and tooth loss. Suzuki N, Nakano Y, Yoneda M, Hirofuji T, Hanioka T. The effects of cigarette smoking on the salivary and tongue microbiome. Clin Exp Dent Res. 2022 ...
The first causes cold sores and fever blisters on the mouth, and is thought to be responsible for most cases of genital herpes in the UK. HSV-2 is most commonly associated with genital herpes alone.