Tongue tie, also known as ankyloglossia, is a condition present at birth in which the band of tissue connecting the tongue to the floor of the mouth is unusually short, thick, or tight. This can restrict tongue movement and sometimes affect feeding, speech development, and oral function. As awareness of tongue ties has increased, questions have emerged about what causes them, including whether folic acid supplementation during pregnancy may play a role.
The short answer is that there is currently no conclusive evidence proving that folic acid causes tongue ties in children.
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