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?
Written by Ashley Hamer August 28, 2017
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