Some wrong common knowledge about driving security

Some wrong common knowledge about driving security
Firstly , many people believe that driver smokes don`t affect the driving safety. But there is the investigation indicating that most of transportation trouble maker are smokers. In generally, the smokers are more than 50% compared with no smoking drivers in traffic accident. The investigator has analyzed the reason. And they think the reason of smoking affect driving safety is that drivers are easily distracted while smoking . Additionally, the cigarette contains Nicotine and Tar that can consume amount of Vitamin B12. However, if the human is lack of Vitamin B12, the vision will be weakened.
Secondly, some people think that a little alcohol can`t threaten the driving security. Yet the fact is that driving after the liquor is the main reason of traffic accident.A little alcohol is also able to influence the driving . The research discovers when the alcohol content in the blood increase from 0.5% to the 1% , the possibility of accident will relieve fatigue. In some cases , the music actually can improve human`s feeling and make people happy and excited. With the help of music, the people can achieve work perfectly. Nevertheless, listening to the irritant music is harmful for driving safely. The driver should choose lively melody to enjoy.