nail biting habit

Biting nails or other objects such as pencils, pens, etc., is a habit when one feels stressed, happy, bored, or no activity. Habits which experts called the "anxious behavior" is done without conscious until his nails so short, even the flesh under the nails bitten participate bleeding. Habits that "decreased" in all ages, including scratching your nose, hair play, or grind your teeth. Half of the perpetrators were children and 23 percent of teens.
Have you ever thought if the nail biting habit that you do often can damage the IQ? How is it possible! A study done by researchers in Russia say that the bad habit of biting one's fingernails, can undermine intelligence or intellectual abilities of children. They also stated that children are often biting his fingernails, could be at risk of lead poisoning.
Tin will easily enter and accumulate under the nail, especially when children played in dusty, either indoors or outdoors. It has long been known, lead exposure on the human body has contributed greatly to the problems of child development. Past research, shows lead can cause nervous system damage. Tin, easily found in soil and dust. Sometimes it can be found also in fruits or vegetables are not washed properly. That is why in the child's body are common chemicals in high enough levels.
In addition to custom son who likes to bite my nails, men who worked as a plumber, plumbers, painters, and worked in the printing environment, can be risky also exposed to lead at kerjanya.Para researchers from the Ural Regional Center for Environmental Epidemiology, Ekaterinburg conduct research towards children who live in several cities in the Urals region. They found two of the three children in places that have high enough levels of lead in his body. High and low levels of lead varies, depending on whether the children lived in a house located on the edge of a large and dusty roads or if they have a habit of playing with the ground, snow or paint.
However, one thing is sure, there is a strong link between high levels of lead in children's bodies with their habit of biting her nails. As many as 69 percent of girls, and 62 percent of boys who were included in this study has a habit of biting his nails, or other objects such as pencils, pens.
source : http://giskaarindra.blogspot.com/2009/12/kebiasaan-menggigit-kuku.html