Why is it that a cut on your finger seems to last for days, but a cut in your mouth is usually healed by morning? There are a lot of factors at play, but 2017 research found one intriguing answer that could benefit more than just your mouth: there's a molecule in your saliva that can help grow new cells.
Should You Kiss It And Make It Better?
How Does Saliva Work?
Key Facts In This Video
Saliva is necessary to multiple bodily functions. 00:23
Small bumps in our inner lips are actually saliva ducts. 01:24
Saliva contains all of our genetic information. 02:20
Written by Ashley Hamer August 28, 2017
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