- Posted October 15, 2012 by
- drmarisela Follow
Boston, Massachusetts
Medical Marijuana – Are We Ready for This?
Many studies have been carried out in an effort to galvanize support for the use of medical marijuana; however, these studies have had small sample sizes, making them statistically insignificant and unreliable for drawing proper medical conclusions. Nonetheless, proponents of medical marijuana employ more conventional wisdom declaring that it’s less toxic than many pharmaceutical drugs and gets an unwaveringly positive review from the patients treated with it. Although there is much truth in these assertions, it is not backed up by proper scientific medical studies and, therefore, does not mean that medical marijuana is without adverse effects. In reality, marijuana contains three times the amount of tar of a tobacco cigarette and also has about 50% more carcinogens than a cigarette. As a result, chronic use of marijuana may result in lung diseases such as emphysema and may increase the risk of lung cancer. Studies attempting to show the dangers of marijuana have stated it causes deficits in attention and interferes with mental functioning. In one study, scientists analyzed brain imaging MRI scans of patients who were chronic marijuana users and found that the area of the brain that controls memory was reduced in size. Other studies have stressed that long term marijuana use is associated with an increased risk of psychiatric diseases such as schizophrenia. Yet, despite all this, medical marijuana has brought relief to many long-suffering patients.
What we know is that the studies that have been done on medical marijuana are varied with a range of conclusions being drawn both in favor of and opposed to its use. Unfortunately, compared to other drugs used to treat chronic and critical conditions, we don’t have anywhere near the amount of scientific research on medical marijuana necessary to provide a conclusive medical opinion. In the medical community, we are guided by the principle that thorough research brings about good medicine. And so, while many physicians might agree that there are benefits to the use of medical marijuana for certain conditions – input received not from a lab but from the patients themselves – we must acknowledge that its long-term effects are largely unstudied.
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