Record Number of Scientific Papers Published in 2020 About Cannabis


In 2020, researchers worldwide published a record 3,500+ scientific papers on the subject of cannabis, according to data compiled by the National Library of Medicine and PubMed.gov.

Despite claims by some that marijuana has not been subjected to adequate scientific scrutiny, scientific interest in cannabis has increased exponentially in recent years. Since 2010, scientists have published over 23,000 peer-reviewed papers on cannabis, with the annual number of papers increasing every year. By comparison, researchers published fewer than 3,000 total papers on cannabis in the years between 1990 and 1999 and fewer than 2,000 total studies during the 1980s.

Marijuana Research Studies 2020

A 2018 paper assessing trends in cannabis research concluded that much of this uptick in interest is a result of researchers’ newfound focus on its therapeutic activities. Investigators reported that the total number of peer-reviewed publications dedicated to medical cannabis has increased nine-fold since the year 2000.

In all, PubMed.gov now cites over 35,000 scientific papers on marijuana.

Available to the public online since 1996, PubMed is a free resource supporting the search and retrieval of biomedical and life sciences literature.

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