Instead of wrapping tobacco in paper by hand, huge factories have taken on the task. First, the tobacco is processed, then rolled into cigarettes and tested for quality control. If they pass quality control, they are sent for packing. Gigantic industrial machines produce about 16,000 cigarettes a minute.
Cigarettes are known to be addictive because of the nicotine inside of the tobacco. This addictive component stimulates nerves in the brain, which cause feelings of pleasure and a sense of clarity. The nicotine causes blood pressure to rise and this is described as a "kick." Nicotine is also in nasal sprays and patches to help people stop smoking gradually.