People with oral herpes are most contagious when they have active cold sores — so if you borrow lip balm from a friend who has the telltale fluid-filled blister, you run the risk of also ...
The Herpes simplex virus-1 (HSV-1 ... 116 study participants with HSV-1 applied lemon balm to their lip sores. After two days, redness and swelling had significantly decreased in participants ...
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