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Dual Use of Tobacco Products						Español (Spanish)							Print
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										Some people try to cut back on smoking cigarettes or work toward quitting smoking completely by using electronic cigarettes (e-cigarettes), smokeless tobacco, or other tobacco products in addition to regular cigarettes. This is called “dual use.” Dual use is not an effective way to safeguard health.
Because smoking even a few cigarettes a day can be dangerous1, quitting smoking completely is very important to protect your health. If you’ve never smoked or used other tobacco products, including e-cigarettes, don’t start.Health Risks of SmokingSmoking even a few cigarettes a day can be dangerous and can lead to serious health problems.1,2,3
People who smoke fewer than 5 cigarettes a day can have early signs of cardiovascular disease.
Just cutting back on cigarettes may not protect someone from early death. People who smoke heavily and reduce their cigarette use by half still have a very high risk for early death. On average, people who smoke die 10 years earlier than people who don’t smoke.
People who reported smoking in social situations rather than on a daily basis – a behavior referred to as “social smoking” – have similar blood pressure and cholesterol levels of people who smoke regularly.4Quitting Can Improve Your HealthQuitting smoking completely improves both your health and your quality of life. This is true regardless of your age or how long you have been smoking.5
When you quit smoking completely:5
After 1-2 years, your risk of heart attack drops sharply and continues to drop over time.
After 5-10 years, your risk of stroke decreases.
After 5 years, your risk for cancers of the mouth, throat, and voice box drop by half.
After 10-15 years, your risk of lung cancer drops by half.People who quit smoking completely live longer than those who keep smoking. The earlier you quit, the lower your risk for early death. Even quitting at age 50 cuts your risk in half for early death from a smoking-related disease.Top of PageMore information about electronic cigarettes (e-cigarettes)No e-cigarette has been approved by the U.S. Food & Drug Administration (FDA) as a cessation aid. Learn what the science says about e-cigarettes.
ReferencesBjartveit K, Tverdal A. Health Consequences of Smoking 1-4 Cigarettes Per Day. Tobacco Control 2005;14(5):315–20 [accessed 2021 July 13].
U.S. Department of Health and Human Services. The Health Consequences of Smoking—50 Years of Progress: A Report of the Surgeon General. Atlanta: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 2014 [accessed 2021 July 13].
Tverdal A, Bjartveit K. Health Consequences of Reduced Daily Cigarette Consumption. Tobacco Control 2006;15(6):472–80 [accessed 2021 July 13].
Schane R, Glantz S, Ling P. Social Smoking: Implications for Public Health, Clinical Practice, and Intervention Research. American Journal of Preventive Medicine. 2009; Vol 37, Issue 2.
U.S. Department of Health and Human Services. Smoking Cessation: A Report of the Surgeon General. Atlanta, GA: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 2020. [accessed 2021 July 13].Top of PageOn This Page
			Health Risks of SmokingQuitting Can Improve Your HealthMore information about electronic cigarettes (e-cigarettes)References
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KristyAt age 33, Kristy G., a heavy smoker and mother of three, tried using e-cigarettes as a way to cut back on cigarette smoking, but she continued to smoke regular cigarettes. Eventually, she stopped using e-cigarettes, went back to smoking only cigarettes, and later had a collapsed lung.
*“I could never get completely off regular cigarettes until I wound up in the hospital.”*

	KristyAt age 33, Kristy G., a heavy smoker and mother of three, tried using e-cigarettes as a way to cut back on cigarette smoking, but she continued to smoke regular cigarettes. Eventually, she stopped using e-cigarettes, went back to smoking only cigarettes, and later had a collapsed lung.*“I could never get completely off regular cigarettes until I wound up in the hospital.”*
							
					
							Last Reviewed:  October 13, 2023						Source: 	Office on Smoking and Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention
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