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WIRE: Study indicates regular cannabis use associated with lower Body Mass Index

East Lansing, MI: The use of cannabis over time is inversely related to obesity, according to data published in the International Journal of Epidemiology.

A team of Michigan State University researchers assessed the relationship between cannabis use and body mass index (BMI) over time in a nationally representative sample of 33,000 subjects.

Investigators reported that cannabis-using subgroups exhibited “appreciably attenuated BMI gain” over the trial period as compared to non-users and quitters, “with the largest attenuation seen in the ‘persistent use’ group.”

They concluded: “This new prospective study builds from anecdotes, pre-clinical studies and cross-sectional evidence on inverse associations linking cannabis use and obesity and shows an inverse cannabis–BMI increase association. Confirmatory studies with rigorous cannabis and BMI assays will be needed.”

Several prior population-based studies, such as those here, here, and here, have similarly reported an inverse relationship between cannabis use and obesity.

For more information, contact Paul Armentano, NORML Deputy Director, at: paul@norml.org. Full text of the study, “Are cannabis users likely to gain weight? Results from a national 3-year prospective study,” appears in the International Journal of Epidemiology.

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