* Tobacco smoke contains more than 7,000 chemicals, with roughly 70 that are cancer-causing
Smoking marijuana in any form can cause scarring and damage to blood vessels, causing respiratory diseases such as acute bronchitis and chronic obstructive pulmonary syndrome (COPD)
"He always told us kids, 'I dont ever want to see you smoking,' so one of us finally asked, 'If you dont want us smoking, why are you doing cigarette commercials?'" Said Bobby, recalling that his father called Philip Morris to quit the very same day
Throat doctors know what harsh tobacco does to throat membrane
Doctors have previously said e-cigarettes are better than smoking, but research is limited and long-term effects have not been documented yet because the devices are so new