Exchange of Germs and Infections
Deep kissing involves the exchange of saliva, which means bacteria and viruses can easily pass between partners. Some potential health issues include:

Colds and flu – Respiratory viruses can be transmitted easily.

Mononucleosis (aka “the kissing disease”) – Caused by the Epstein-Barr virus.

Herpes Simplex Virus (HSV-1) – Can be spread even when there are no visible cold sores.

Meningitis – In rare cases, can be spread through saliva.

COVID-19 – Can also be transmitted through close contact, including kissing.

Dental Health Concerns
While kissing can stimulate saliva production (which helps fight cavities), it can also:

Spread gum disease or cavities if one partner has poor oral hygiene.

Lead to bad breath issues if there is a mismatch in oral cleanliness.

Allergic Reactions
If your partner has recently consumed foods, drinks, or medications you’re allergic to, traces can remain in