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Marijuana use linked to elevated levels of cadmium and lead in blood and urine
Marijuana use linked to elevated levels of cadmium and lead in blood and urine suggests a new study published in the Environmental Health Perspectives.
Marijuana is the third most commonly used drug in the world behind tobacco and alcohol. As of 2022, 21 states and Washington, DC, covering more than 50 percent>50%
of the U.S. population, have legalized recreational use of marijuana, and medical marijuana is legal in 38 states and Washington, DC. However, because marijuana is still illegal at the federal level, regulation of contaminants in all cannabis-containing products remains piecemeal and there has been no guidance from federal regulatory agencies such as the U.S. Food and Drug Administration or the U.S. Environmental Protection Agency.
Because the cannabis plant is a known scavenger of metals, we hypothesized that individuals who use marijuana will have higher metal biomarker levels compared with those who do not use.
Researchers combined data from the National Health and Nutrition Examination Survey (2005–2018) for lowercase italic n equals 7,254n=7,254
participants, classified by use: non-marijuana/non-tobacco, exclusive marijuana, exclusive tobacco, and dual marijuana and tobacco use. Five metals were measured in blood and 16 in urine using inductively coupled plasma mass spectrometry; urinary metals were adjusted for urinary creatinine.
Results:
Participants reporting exclusive marijuana use compared with non-marijuana/non-tobacco use had statistically significantly higher mean cadmium levels in blood.
The results suggest marijuana is a source of cadmium and lead exposure. Research regarding cannabis use and cannabis contaminants, particularly metals, should be conducted to address public health concerns related to the growing number of cannabis users.
Reference;
Katlyn E. McGraw,Anne E. Nigra,Joshua Klett,Marisa Sobel,Elizabeth C. Oelsner,Ana Navas-Acien,Xin Hu,and Tiffany R. Sanchez, 2023. Blood and Urinary Metal Levels among Exclusive Marijuana Users in NHANES (2005–2018). Environmental Health Perspectives 131:8 CID: 087019 https://doi.org/10.1289/EHP12074
Keywords:
Marijuana, use, linked, elevated, levels, cadmium, lead, blood, urine, Katlyn E. McGraw,Anne E. Nigra,Joshua Klett,Marisa Sobel,Elizabeth C. Oelsner,Ana Navas-Acien,Xin Hu,and Tiffany R. Sanche
Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751