Exactly just how much marijuana is in a common joint may be much less than previously thought, a brand-new study finds.

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Researchers estimated that the mean joint contains 0.32 grams (0.01 ounces) of marijuana. That"s lower than part previous estimates; for example, a 2014 report from the White residence on America"s drug use approximated that the typical joint has about 0.43 g (0.02 ounces) that marijuana. Other studies have approximated that a typical joint consists of as lot as 0.75 g (0.03 ounces).

Figuring out exactly how much marijuana is in a typical joint can aid researchers answer necessary questions around drug use and also trafficking, the researchers said. <11 weird Facts around Marijuana>

"It turns out to it is in a crucial number in estimating just how much marijuana is gift consumed , exactly how much drug-trafficking establishments are putting on the market and also how much states could expect in revenue post-legalization" research co-author Greg Ridgeway, an associate professor that criminology and also statistics in ~ the college of Pennsylvania, claimed in a statement.


The new findings are based on information from an ext than 10,000 marijuana purchases end 11 years. This information originates from a inspection of world in the U.S. That were arrested and also interviewed around their substance use and also drug transactions. As soon as interviewees pointed out that lock bought a certain variety of joints because that a specific price, the researchers offered this info to calculation the typical grams of marijuana in each joint.


The researchers also used a mathematical design to take into account distinctions in drug prices in various areas, as well as price inflation end the years.

The brand-new findings "can be included into drug policy discussions to produce far better understanding around illicit marijuana markets, the dimension of potential legalized marijuana markets, and health and behavior outcomes," the researcher said.

The research is published in the August concern of the journal Drug and also Alcohol Dependence.


Original short article on Live Science.

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Rachael Rettner
Senior Writer
Rachael has actually been through Live Science because 2010. She has actually a master"s degree in journalism from brand-new York University"s Science, Health and Environmental report Program. She also holds a B.S. In molecular biology and also an M.S. In biology native the university of California, mountain Diego. Her work has appeared in Scienceline, The Washington Post and also Scientific American.