http://www.thelagoodtimes.com/nails-open/
Why Biting Fingernails Is No Good For Your Health Or Your Nails Health by Pauline Downie
Fingernail biting is a very bad habit, and one which is very hard to stop. There are many reasons why someone may bite their nails, yet the most common is because of nervousness.
Other nervous habits which can affect a person besides nail biting and hopefully not all of them at once, is hair twisting and pulling, nose picking, skin picking, teeth grinding and thumb sucking. And yes, most of these habits can and do go right through to adult hood. Hopefully, not the thumb sucking!
It not only looks unattractive, it is not good for you fingernails health or your own health in general. This is because your nails are made up of a protein called keratin, which is also found in your skin and hair.
The problem with keratin is, when you are biting on your nails, you are ingesting it and your body can