Many people have nervous habits, such as pacing or fidgeting, and although many are harmless, if you bite your nails when you’re stressed or anxious, you are actually at risk for some ailments
Expects offers five reasons why you should quit biting your nails.
There are a lot of germs under your fingernails
Even if you wash your hands frequently, it’s difficult to get all the germs and dirt from under your nails. So just imagine what you’re exposing your body to whenever you give these germs and dirt-free access to your mouth. Yuck.
Once the germs that were under your fingernails get into your body, your chances of illness increase significantly. Be sure to wash your hands thoroughly and pay extra attention to your nails.
It increases the risk of infection
Biting your nails increases the risk of paronychia, an infection of the nail. Symptoms of paronychia include a painful, red, swollen area around the nail, often at the cuticle or at the site of a hangnail or other injury. If the infection is bacterial, there may be pus-filled blisters at the site.
Also, if you chew on nails that have warts—which are caused by a virus—and then chew on other nails, this can cause warts to spread to other areas.
It’s bad for your teeth
It’s not recommended to use your teeth as tools, apart from chewing your food. Regularly biting your nails can cause your teeth to shift out of place, which can require correctional braces or a retainer. Nail biting could also cause your teeth to break or could damage your tooth enamel. The germs could also potentially infect, or cause irritation, to your gums.
Also, the bacteria that is on your fingers or nails can linger in your mouth and cause halitosis, or bad breath.
You can have more hangnails or ingrown nails
If you constantly bite at your nails, chances are you’ll bite off a bit more than you expected, and when a piece of torn skin at the root of your nail appears, that’s a hangnail. Hangnails are open sores that can easily become infected. The best way to avoid the painful sores is to prevent the hangnail from forming in the first place by moisturizing regularly—and not chewing on your fingers.
Most ingrown nails occur on the toenails, but biting your nails can cause your nails to grow under your skin in your fingers too. Ingrown nails can cause pain and swelling and potentially lead to infection and require surgery.
There’s a risk of toxic poisoning
If gel polishes are your thing, it’s best that you kick the nail-biting habit sooner rather than later. Regular nail polishes have plenty of toxins themselves, but gel polishes have chemicals that can be harmful when ingested. Although the low amounts of toxicity likely won’t show any harmful effects right away, we don’t yet understand all of the potential long-term consequences.