They came in kilo bricks. By boat, in trucks, and in cargo planes, pounds of dried-up flakes and pieces of cannabis plants worked their way up from Colombia to be distributed and sold in the United States. While cannabis has been a part of American culture since the country’s birth, cannabis today is certainly not what it used to be. Not only has the industry changed, but so have the plant’s potency and general appearance.
So, what exactly were those free-spirits smoking in the 1970s? Since cannabis was named a Schedule 1 drug in 1970, the Natural Center for Natural Projects Research (NCNPR) at the University of Mississippi has been testing marijuana samples confiscated in U.S. marijuana raids. In agreement with popular belief, today’s marijuana is 57-67% more potent when compared to samples from the ’70s. In this instance, potency is measured by the levels of psychoactive cannabinoids present in individual plant samples. The reasoning behind this massive increase in potency, however, is quite complicated.
Beginning in the 1970s, the majority of cannabis consumed for recreational use was imported illegally from source countries. In the 1970s, around 72% of cannabis in circulation was brought into the U.S. rather than produced on the homefront. Of that 72%, between 50 and 60% was brought in from Colombia. Between growing time, transportation, and distribution, the cannabis found in the 1970s was on average much older due to time it took to get from farm to consumer.
An increase in general knowledge about cannabis has also had a huge effect on the quality of the usable product. Back in the ’70s, much of the cannabis brought in to the U.S. was a mixture of leaves, stems, flowers, and hodgepodge pieces of the plant. Very little of the brick-packed, mass-produced product was actually the feminized flower (sinsemilla) that we now expect when walking into a dispensary. This means that when people used cannabis, they were not using the plant parts high in tetrahydrocannabinol, or THC, the most well-known compound in cannabis that produces psychoactive effects. Rather, members of the “Me Generation” were getting the leftovers. (Read Full Article)
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