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To the authors knowledge, with the exception of recent TPM measurements 17,35 , the aerosol properties of marijuana smoke have not been characterized or compared with those of tobacco smoke since 1989 34 despite drastic improvements in analytical instrumentation and the increase in marijuana consumption

If Mad Men taught us anything, its that smoking is not nearly as common as it used to be

The seven most important carcinogens in tobacco smoke are shown in the table, along with DNA alterations they cause

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Featuring a reinforced flexible neck and cushioned adjustable arms, this hands free phone mount for car securely holds standard-size devices up to 4 inches wide, making it perfect as a car cell phone holder for iPhone or a car cell phone holder for Android