Nail Biting: Does It Cause Long-term Damage?

Does nail biting cause any long-term nail damage? Answers From Lawrence E. Gibson, M.D. Although unsanitary, chronic nail biting (onychophagia) isn’t likely to cause long-term nail damage. Nails are formed within the nail bed—just beneath where the U-shaped cuticles begin. As long as the nail bed remains intact, nail biting isn’t likely to interfere with […]