Is it a sin to bite your nails?

Is Biting Nails Considered a Sin?

In the King James Version (KJV) of the Bible, the term “nail” appears 19 times, but there is no mention of biting nails specifically. Nonetheless, according to the guidance provided in Deuteronomy 21:12, it is advisable to maintain healthy nail care, which includes trimming them rather than biting.