Do you ever wonder why animals and sometimes our children lick their wound?

Until now, it was understood that saliva played a part in the wound healing process, though the extent of its role was unknown. A new study examined the effects of salivary peptide histatin-1 on blood vessel formation, which is critical to wound healing. Researchers are now taking the next step in this line of study using these molecules to generate materials to aid in wound healing.The findings bring to mind the possible meaning of animals, and often children, licking their wounds.

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