WHY do we lick the wound when getting cut?

We reflexively bring the spot with a little skin damage to our mouths. According to Nermina Malanovic and Karl Lohner (Institute for Molecular Biology, University of Graz), the secretion of human salivary glands contains certain substances that kill microbes.

In particular, it is a special peptide – a chain of amino acids with an antibacterial effect. Such compounds are present in the human body not only in saliva, but also in lacrimal fluid, white blood cells, are part of the skin.

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