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All of these risks apply to use of any smoked product, including hookah tobacco.Smokeless tobacco increases the risk of cancer, especially mouth cancers.As with drugs such as cocaine and heroin, nicotine increases levels of the chemical messenger , which affects parts of the brain that control reward and pleasure.Studies suggest that other chemicals in tobacco smoke, such as acetaldehyde, may enhance nicotine’s effects on the brain.Smoking while pregnant may also be associated with learning and behavioral problems in exposed children.People who stand or sit near others who smoke are exposed to secondhand smoke, either coming from the burning end of the tobacco product or exhaled by the person who is smoking.

Nicotine replacement therapies (NRTs) were the first medications the U. Food and Drug Administration (FDA) approved for use in smoking cessation therapy.Although nicotine is addictive, most of the severe health effects of tobacco use comes from other chemicals.Tobacco smoking can lead to lung cancer, chronic bronchitis, and emphysema.Secondhand smoke exposure can also lead to lung cancer and heart disease.It can cause health problems in both adults and children, such as coughing, phlegm, reduced lung function, pneumonia, and bronchitis.There are also many other potentially harmful chemicals found in tobacco or created by burning it. Smoked tobacco products include cigarettes, cigars, bidis, and kreteks.Some people also smoke loose tobacco in a pipe or hookah (water pipe).Children exposed to secondhand smoke are at an increased risk of ear infections, severe asthma, lung infections, and death from sudden infant death syndrome.For many who use tobacco, long-term brain changes brought on by continued nicotine exposure result in addiction. Department of Health and Human Services has established a national toll-free quitline, 1-800-QUIT-NOW, to serve as an access point for anyone seeking information and help in quitting smoking.Electronic cigarettes, also known as e-cigarettes or e-vaporizers, are battery-operated devices that deliver nicotine with flavorings and other chemicals to the lungs in vapor instead of smoke.E-cigarette companies often advertise them as safer than traditional cigarettes because they don't burn tobacco.

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