Mucus – the first line of defence
By licking a wound it heals faster – this is not simply popular belief, but scientifically proven. Our saliva consists of water and mucus, among other things, and the mucus plays an important role. It stimulates white blood cells to build a good defence against invaders, according to a group of researchers at Lund University in Sweden together with colleagues from Copenhagen and Odense in Denmark.
https://www.lunduniversity.lu.se/article/mucus-first-line-defence - 2025-10-05