Even one puff of tobacco harmful, reports surgeon general
By Rob Stein
Washington Post Staff Writer
December 10, 2010
...Tobacco smoke contains more than 7,000 chemicals and compounds, including hundreds that are toxic and at least 70 that cause cancer, according to the report. That means there is no "risk-free level of exposure" to tobacco smoke. Even a whiff of tobacco smoke can adversely affect the body, the report concludes.
"The chemicals in tobacco smoke reach your lungs quickly every time you inhale, causing damage immediately," Surgeon General Regina Benjamin said in a statement. "Inhaling even the smallest amount of tobacco smoke can also damage your DNA, which can lead to cancer." ...
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