Marijuana and Hallucinogen Usage Reach historic Heights in 2021

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Marijuana and hallucinogen use by young adults in the United States in 2021 increased significantly, reaching historic heights,  according to the Monitoring the Future (MTF) panel study.

The study said that Marijuana and hallucinogen among the 19 to 30 years old increased significantly in 2021 compared to five and ten years ago, reaching historic highs in this age group since 1988.

Monitoring the Future (MTF) study pointed out that rates of past-month nicotine vaping, which have been gradually increasing in young adults for the past four years, also continued their general upward trend in 2021. Past-month marijuana vaping, which had significantly decreased in 2020, rebounded to pre-pandemic levels in 2021.

On the study,  National Institute on Drug Abuse Director Nora Volkow, M.D said the data provided a window into the substances and patterns of use favored by young adults.  “We need to know more about how young adults are using drugs like marijuana and hallucinogens, and the health effects that result from consuming different potencies and forms of these substances,” the director said.

 “Young adults are in a critical life stage and honing their ability to make informed choices. Understanding how substance use can impact the formative choices in young adulthood is critical to help position the new generations for success,” said Nora Volko.

MARIJUANA USE

The Study said that Marijuana usage reached the highest levels ever recorded since these trends were first monitored in 1988. The proportion of young adults who reported past-year marijuana use reached 43% in 2021, a significant increase from 34% five years ago (2016) and 29% 10 years ago (2011). Marijuana use in the past month was reported by 29% of young adults in 2021, compared to 21% in 2016 and 17% in 2011. Daily marijuana use also significantly increased during these time periods, reported by 11% of young adults in 2021, compared to 8% in 2016 and 6% in 2011, the study said.

HALLUCINOGEN USE

Past-year hallucinogen use had been relatively stable over the past few decades until 2020, when reports of use started to increase dramatically, the study said. In 2021, 8% of young adults reported past-year hallucinogen use, representing an all-time high since the category was first surveyed in 1988. By comparison, in 2016, 5% of young adults reported past-year hallucinogen use, and in 2011, only 3% reported use. Types of hallucinogens reported by participants included LSD, MDMA, mescaline, peyote, “shrooms” or psilocybin, and PCP. The only hallucinogen measured that significantly decreased in use was MDMA (also called ecstasy or Molly), showing statistically significant decreases within one year as well as the past five years – from 5% in both 2016 and 2020 to 3% in 2021.

VAPING:

This also increased significantly among young adults in 2021 despite leveling off in 2020 during the earlier part of the pandemic. The increase in 2021 showed a general long-term upward trend. In 2021, nicotine vaping prevalence nearly tripled to 16% compared to 6% in 2017, when the behavior was first recorded.

ALCOHOL USE:

Reports of binge drinking by young adults – defined as having five or more drinks in a row in the past two weeks – returned to pre-pandemic levels in 2021 after significantly decreasing in 2020 (32% reported in 2021, versus 28% in 2020 and 32% in 2019). High-intensity drinking, defined as having 10 or more drinks in a row in the past two weeks, was at its highest level since it was first measured in 2005, reported by 13% of young adults in 2021, compared with 11% in 2005. However, past-month and past-year alcohol use, and daily drinking have been on a downward trend in young adults for the past 10 years. For example, in 2021, 66% of young adults reported alcohol use in the past 30 days, a significant decline from 70% recorded in 2016 and 69% in 2011.

CIGARETTE USE

The study also noted significant decreases in cigarette smoking by young adults and non-medical use of opioid medications compared to 10 years ago. Both substances have been declining steadily in use for the past decade.

MONITORING THE FUTURE

Since 1975, the Monitoring the Future study has annually surveyed substance use behaviors and attitudes among a nationally representative sample of teens. A longitudinal panel study component of MTF conducts follow-up surveys on a subset of these participants to track their drug use through adulthood. Participants self-report their drug use behaviors across three primary time periods – lifetime, past year (12 months), and past month (30 days). The MTF study is conducted by scientists at the University of Michigan’s Institute for Social Research, Ann Arbor, and is funded by NIDA, part of the National Institutes of Health.

National Institute on Drug Abuse is a component of the National Institutes of Health, U.S. Department of Health and Human Services. NIDA supports most of the world’s research on the health aspects of drug use and addiction. The Institute carries out a large variety of programs to inform policy, improve practice, and advance addiction science. For more information about NIDA and its programs, visit https://www.nida.nih.gov/.

National Institutes of Health (NIH), the nation’s medical research agency, includes 27 Institutes and Centers and is a component of the U.S. Department of Health and Human Services. NIH is the primary federal agency conducting and supporting basic, clinical, and translational medical research, and is investigating the causes, treatments, and cures for both common and rare diseases. For more information about NIH and its programs, visit www.nih.gov.

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