No, you shouldn't eat your fingernails. While they might pass through your digestive system without causing immediate harm, doing so presents several health risks.
Potential Risks of Eating Fingernails
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Stomach Problems: Swallowing bitten-off nails can occasionally lead to stomach problems. [Reference: Nail biting may have an association with oral problems, such as gingival injury, and malocclusion of the anterior teeth. It can also transfer pinworms or bacteria buried under the surface of the nail from the anus region to the mouth. If the bitten-off nails are swallowed, stomach problems can occasionally develop.] The nails aren't digestible, and their presence in the digestive system can cause discomfort or irritation. [Reference: Fingernails are not digestible, so really shouldn't be swallowed if avoidable. Eating nails will not kill but it can wear down tooth enamel and… ]
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Dental Issues: Nail biting and eating can chip, crack, or break your teeth, and even cause long-term jaw problems. [Reference: You can chip, crack, or break your teeth when you bite your nails. Over time, nail biting can even cause jaw problems. It can make you sick.]
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Infection: Fingernails can harbor bacteria and other germs, and ingesting them could lead to infection. [Reference: Nail biting may have an association with oral problems, such as gingival injury, and malocclusion of the anterior teeth. It can also transfer pinworms or bacteria buried under the surface of the nail from the anus region to the mouth.]
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Other Health Concerns: While rare, long-term nail biting and ingestion can lead to more serious health consequences. [Reference: The good news is that long-term damage from nail biting is rare. But it does happen, especially if you swallow the bitten nails.]
Why People Eat Fingernails
Nail biting is often a nervous habit, and the act of chewing and swallowing the nails may provide a temporary sense of comfort or relief. [Reference: https://www.healthline.com/health/why-do-people-bite-their-nails ] Understanding the underlying causes of this behavior is crucial in addressing it effectively.
Conclusion
Eating fingernails is not recommended due to the potential risks. While it might seem harmless, there are potential health issues involved.
