Examine a range of federal and state actions on tobacco issues, determine which regulations are unfavorable or favorable to the smoking industry and consider the government's role in public health.

Don't smoke. That's the message from this article from KidsHealth. Find out the effects of smoking and why you shouldn't start this harmful habit.

A video [10:54] explaining what emphysema is, what causes it, and how it affects the body.

Many cigarettes are only two-thirds tobacco, and contain hundreds of additives, such as antifreeze, cocoa shells, and liquorice.