The study originally quoted referred to marijuana consumption equivalent to about 1 cigarette a day. It took decades and hundreds of studies to conclusively link tobacco consumption to cancer based on far higher average rates of consumption. Imagine how long it would have taken to prove a link based on sample groups that averaged 1 cigarette a day! The cancer causing effects of tobacco would have been masked/hidden by the relatively low rate of consumption for a much longer period of time. If marijuana does contain similar irritant compounds similar to those found in tobacco it would take consumption at far higher rates than once or even twice a day for the negative effects to become apparent even in large scale studies. Logic would indicate the need for caution in assuming marijuana is therefore "better" than tobacco in terms of its cancer causing effects. So I'm not confident that the study clears marijuana of any possible links to tobacco related diseases like cancer and emphysema.
Taking the active ingredient (THC) in a synthetic form via a pill is another question but either way it still has long term negative impacts on mental health. (And besides I have vet to meet a more useless /less productive life form than a heavy addicted "stoner". Your average turnip has more get up and go. :)
Taking the active ingredient (THC) in a synthetic form via a pill is another question but either way it still has long term negative impacts on mental health. (And besides I have vet to meet a more useless /less productive life form than a heavy addicted "stoner". Your average turnip has more get up and go. :)
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