California, was the state that first led the U.S. in identifying and preventing the dangers of tobacco inhalation and was the driving force behind many public non-smoking laws, recognized the dangers of another ‘smokeable’ substance.
According to the National Institute on Drug Abuse, marijuana smoke contains 50 to 70 percent more carcinogenic hydrocarbons than tobacco smoke — not to mention it’s inhaled more deeply than tobacco and held in the lungs longer in order to increase exposure.
Frequent marijuana smokers have more health problems and miss more days of work than tobacco smokers.