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Cigarettes can be any dried leaf that people roll in thin paper to smoke, but the word is most often used to refer ones with dried tobacco leaves. The nicotine in the tobacco can be addictive to people. The nicotine from cigarettes makes people want to smoke more, even if they do not like the taste or its other effects. The smoke also has other things that are bad for people's health. Many countries have laws saying who can smoke tobacco cigarettes and where they can smoke them. They can cause lung cancer, heart disease and many other diseases. Most packs of cigarettes have warning labels on them. Until the mid-1950s, cigarettes were advertised as being healthy or at least not harmful. Tobacco companies used images of doctors in their advertisements to falsely convince the public that cigarettes were safe. Cigarettes were advertised as a remedy for throat irritation, the common cold, obesity, indigestion, and even asthma. Today, all of the major tobacco companies admit that cigarettes are harmful to health.
- Nicotine is a drug that is addictive. It damages brain tissue.
- Tar is a sticky substance that kills cells and causes lung cancer.
- Carcinogens are substances that cause cancer.
- Carbon monoxide is a colourless and poisonous gas that stops hemoglobin from taking oxygen around the body.
- Filtered, light, ultra-light, menthol, natural, nicotine-free, and electronic cigarettes are just as harmful as regular cigarettes.
- Nicotine in cigarettes is as addictive as cocaine and heroin.
- Other tobacco products, such as cigars and chewing tobacco, are not a safe alternative to cigarettes.
- Improperly extinguished cigarettes are a common cause of house fires.
- Smoking near fuel or flammable chemicals can cause a fire or explosion.
- "Harms of Smoking and Health Benefits of Quitting". cancer.gov. http://www.cancer.gov/cancertopics/factsheet/Tobacco/cessation. Retrieved January 20, 2011.