Is Marijuana Use Associated With A Higher Risk Of Cancer?
Fahad Shabbir (@FahadShabbir) Published December 09, 2019 | 01:27 PM
As the use of marijuana is increasing in the United States, researchers are asking whether the use of this substance particularly smoking joints is associated with an increased risk of any form of cancer, and, if so, which
Islamabad (UrduPoint / Pakistan Point News - 09th December, 2019) As the use of marijuana is increasing in the United States, researchers are asking whether the use of this substance particularly smoking joints is associated with an increased risk of any form of cancer, and, if so, which.Share on PinterestA new meta-analysis suggests that there is still no end in sight for the debate around marijuana use and cancer risk.Marijuana is one of the most widely used drugs in the United States, with more than one in seven adults reporting that they used marijuana in 2017.Statistical reports project that sales of cannabis for recreational purposes in the U.S.
will amount to $11,670 million between 2014 and 2020.According to recent researchTrusted Source, smoking a joint remains one of the main ways in which individuals use marijuana recreationally.While specialists already know that smoking tobacco cigarettes is a top risk factor for many forms of cancer, it remains unclear whether smoking marijuana can increase cancer risk in a similar way.To try to find out whether there is a link between recreational marijuana use and cancer, researchers from the Northern California Institute of Research and education in San Francisco and other collaborating institutions recently conducted a systematic review and meta-analysis of studies assessing this potential association.In their paper which appears in JAMA Network OpenTrusted Source the team notes that marijuana joints and tobacco cigarettes share many of the same potentially carcinogenic substances."Marijuana smoke and tobacco smoke share carcinogens, including toxic gases, reactive oxygen species, and polycyclic aromatic hydrocarbons, such as benzo[alpha]pyrene and phenols, which are 20 times higher in unfiltered marijuana than in cigarette smoke," write first author Dr.
Mehrnaz Ghasemiesfe and colleagues."Given that cancer is the second leading cause of death in the United States and smoking remains the largest preventable cause of cancer death (responsible for 28.6% of all cancer deaths in 2014), similar toxic effects of marijuana smoke and tobacco smoke may have important health implications," they go on to emphasize.'Misinformation a threat to public health'Dr.
Ghasemiesfe and team identified 25 studies assessing the link between marijuana use and the risk of developing different forms of cancer. More specifically, eight of these studies focused on lung cancer, nine looked at head and neck cancers, seven examined urogenital cancers, and four covered various other forms of cancer.The studies found associations of different strengths between long-term marijuana use and various forms of cancer.The researchers note that the study results regarding the link between marijuana lung cancer risk were mixed so much so that they were unable to pool the data.For head and neck cancer, the researchers concluded that "ever use," which they define as exposure equivalent to smoking one joint a day for 1 year, did not appear to increase the risk, although the strength of the evidence was low.
However, the studies produced mixed findings for heavier users.There was insufficient evidence to link this drug to a heightened risk of nasopharyngeal carcinoma, oral cancer, or laryngeal, pharyngeal, and esophageal cancers.
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