<p><b>About cigarettes. Part 1</b></p> <p>Tobacco smoke is, perhaps, one of the most complex and more actively studied blends in the world. Complex composition of cigarette smoke is one of the difficulties which encounter researchers while trying to determine which components and substances of tobacco smoke influence smoker's health, provoking one or another disease that is associated with smoking.</p> <p>What is a cigarette? There are a lot of cigarettes in the world. Smokers in different countries prefer <a href="http://www.cigarettehouse.net"><b>cigarettes</b></a> of different strength and with various flavor and taste characteristics.</p> <p><b>Tobacco</b></p> <p>During cigarettes' manufacturing, as a rule are used various tobacco sorts, grown in different countries of the world and mixed in a certain way in order to satisfy various smokers' tastes. On tobacco blending depend: aroma, flavor and strength of cigarettes. In cigarettes' manufacturing are used three main tobacco types: "Virginia" or heat dehydration tobacco, "Burley" and Oriental. Preferences of cigarette consumers in different countries are various. For example, in Great Britain majority of smokers prefer cigarettes of so called English blending that consists mostly of "Virginia" tobaccos, while in USA many consumers choose American blending in content of which enter all three above-mentioned tobacco types.</p> <p><b>Cigarette paper</b></p> <p>In cigarette manufacturing is sued special breathing paper that influences stability of ashes formation and level of smoking components that enter smoker's lungs. Paper of higher porosity, i.e. porosity is used during development of cigarettes with low tar content.</p>