Why new born baby doesn't produce tear when he cry

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We all know how irritating it gets when babies cry, but have you ever noticed that they don’t shed tears when they cry.
Well, this is because they are born with a basal tearing, meaning their tear ducts are still in the developing stage and they produce only enough mositure to keep the eye healthy. If the baby is not crying, well, try cutting an onion in front of them.

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