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Originally Posted by flamesfever
As for the other methods, I would guess it involves a small minority of pot users, and there hasn't been a lot of research on them.
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http://www.sciencedaily.com/releases...0515151145.htm
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A smokeless cannabis-vaporizing device delivers the same level of active therapeutic chemical and produces the same biological effect as smoking cannabis, but without the harmful toxins, according to University of California San Francisco researchers.
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"We showed in a recent paper in the journal 'Neurology' that smoked cannabis can alleviate the chronic pain caused by HIV-related neuropathy, but a concern was expressed that smoking cannabis was not safe. This study demonstrates an alternative method that gives patients the same effects and allows controlled dosing but without inhalation of the toxic products in smoke," said study lead author Donald I. Abrams, MD, UCSF professor of clinical medicine.
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And you are correct most marijuana users don't use a vaporizer because it's still a new technology in the scope of things. I personally use mine whenever I can, and whenever I have showed someone either my handheld or home vaporizer they want to know where to get one and most go get one. It's a changing culture in the way people are smoking marijuana and soon I think it won't be as uncommon to use a vaporizer in the next ten years.
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"By a significant majority, patients preferred vaporization to smoking, choosing the route of delivery with the fewest side effects and greatest efficiency," said Benowitz.
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Also the lungs don't have THC receptors like it does nicotine receptors so there is no delivery system to increase the chances of lung cancer from "inhaling deeper and holding their breath". Tobacco promotes tumor growth, while marijuana inhibits some types of tumors. Smoking anything is not going to be good for your body but marijuana (THC) on it's on hasn't proven to be dangerous or cancerous on it's own.
This is why most studies trying to link marijuana to cancer are filled with "may", "might", "could be proven later", etc. Even studies from the US government got a research group to change their paper from "showing no evidence" to "may lead to". There is no hard evidence showing it, they just have to assume it will have the same effects as tobacco.