This results in more poisonous carbon monoxide and tar entering into the lungs." (Helena Shovelton 2002). It states that many chemicals in cannabis decrease the function of immune system cells that help protect the lungs from infection. Because of its legal status research has been prevented into producing cannabis that gives the "high" without the toxic effects.
Cannabis has remained relatively unaffected by different legislative frameworks and more liberal policies towards the possession and use of small quantities, such as in the Netherlands, do not seem to have led to increased use. Such policies do not appear to have had the effect of signalling approval of cannabis or increasing the availability of the drug and it is unlikely that the end to prohibition would impact upon the consumption in any significant way.
The majority of cannabis users are aware of the criminal implications and the possible risks to their health, but it is still the most commonly used illegal drug, globally. It is easily available, of reasonably good quality and value and gives a feeling of intoxication without the deadly effects proven to be associated with tobacco and alcohol. …
