<p><b>Overdose without scent. Part 3</b></p> <p>The subject of second research of Roswell Park Cancer Institute scientists was in electronic cigarettes marking. They have analyzed content of 32 different electronic cigarettes and have compared it with the marking on the product. It appeared that in every forth product nicotine content more than by 20% has increased the quantity that was shown on the label. Nicotine has been also found in non-nicotine <b>cigarettes</b>.</p> <p>Scientists make conclusion that public health authorities should regulate production and sale of electronic cigarettes. But for studying their potential harm long-term researches are necessary to be done.</p> <p>In USA beginning with 2008 sale of electronic cigarettes every year increases twice. At the same time American Food and Drug Administration (FDA) is not controlling these products and on electronic cigarettes there are no quality standards.</p> <p>In Russia electronic cigarettes also become more and more popular.</p> <p>Motivation for switching to electronic cigarettes for many people, especially for women, is lack of scent. As people are tires of smoked-up rooms, scent from cloths and ashtrays with cigarette butts.</p> <p>At the same time smokers mark that sensation when smoking electronic and usual <a href="http://www.cigarettes-smoke.net/"><b>cigarettes</b></a> differ anyway. That is why those who don't want to refuse smoking use them like substitute. Electronic cigarettes allow not smoking usual <b>cigarettes</b> during 7-8 hours. At them same time some consumers even don't pay much attention on liquid composition - is there nicotine and how much.</p> <p>For smokers "motor function" of smoking process is very important - movements and smoke deflation. It is the most important component of psychological dependence. And electronic cigarette saves it as compared to nicotine chewing gums where motor function is completely different.</p>