1. Herpes Simplex Virus (HSV-1)

One of the most common risks associated with kissing is the transmission of oral herpes, caused by the Herpes Simplex Virus type 1 (HSV-1). This virus is spread through direct contact with infected skin or saliva. Even if your partner doesn’t have visible cold sores, HSV-1 can still be passed along. Once infected, the virus stays in your body for life, often lying dormant and flaring up during periods of stress or illness. Avoid kissing someone with visible sores and always be honest about your health status.
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