Tobacco smoke contains 4000 chemicals. But what are these chemicals and what do they do? This detailed chart takes a look at 70 of the chemicals and what health risks are known about them. For many of the poisons there is no safe level of exposure. Yet smokers and non-smokers forced to breathe secondhand smoke, are unaware of the cocktail of killer chemicals they are inhaling. The chart presents the chemical names, the known health risks and the industrial and common uses of the chemicals. Useful for reference or to display. Pack of 25. Size = 6 page DL leaflet