Feature Channels: Marijuana

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Harvard Medical School, MIT receive $9 million to study neurobiology, physiologic effects of cannabinoids

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Researchers had attendees at the 2016 Hash Bash (a marijuana decriminalization event in Ann Arbor, Michigan, complete surveys on food choices while they are high. Survey takers then got to choose an orange or chips as their reward.

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In an anonymous study of more than 500 adolescents aged 12 -21, comparing survey data with urinary metabolites of nicotine (cotinine) and marijuana (THC), researchers found that teens accurately reported their use of tobacco, electronic cigarettes and marijuana, but many were unaware of the level of nicotine they were using. The study, led by Rachel Boykan, MD, of the Department of Pediatrics at the Renaissance School of Medicine, and colleagues in the department of Pediatrics, in collaboration with Dr. Maciej Goniewicz at Roswell Park Comprehensive Cancer Center, is published early online in the May edition of Pediatrics.

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New evidence from Michigan State University suggests that those who smoke cannabis, or marijuana, weigh less compared to adults who don’t. The findings, published in the International Journal of Epidemiology, are contrary to the belief that marijuana users who have a serious case of the munchies will gain more weight.

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A new study, conducted in rats, sheds light on how cannabis exposure affects the brain of a developing fetus.

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New findings suggest using opioids and marijuana together could offer a safe way to cut opioid dosage among patients suffering from pain and thereby reduce their risk of becoming addicted to opioids.

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Pregnant women who use cannabis may slightly increase the risk their unborn child will develop psychosis later in life, suggests new research from Washington University in St. Louis.

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People with and without cancer are more likely, over time, to use a more potent form of medical marijuana with increasingly higher amounts of tetrahydrocannabinol (THC), a new study shows.

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A study that examined older Americans’ well-being before and after medical marijuana laws were passed in their state found reductions in reported pain and increased hours worked. The study, co-written by researchers at Johns Hopkins Bloomberg School of Public Health and Temple University, suggests medical marijuana laws could be improving older Americans’ health.

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New findings, published today in AACC’s Clinical Chemistry journal, add to a growing body of evidence suggesting that no legal driving limit for cannabis can catch impaired recreational users without unfairly penalizing unimpaired regular or medicinal users.

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Although the use of alcohol and marijuana is common in college students, those who suffer from anxiety symptoms in social settings are particularly vulnerable to problematic use of these substances. Studies have shown that substance use by these students serves to help them cope with social anxiety.

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Medical marijuana may bring relief to older people who have symptoms like pain, sleep disorders or anxiety due to chronic conditions including amyotrophic lateral sclerosis, Parkinson’s disease, neuropathy, spinal cord damage and multiple sclerosis, according to a preliminary study released today that will be presented at the American Academy of Neurology’s 71st Annual Meeting in Philadelphia, May 4 to 10, 2019. The study not only found medical marijuana may be safe and effective, it also found that one-third of participants reduced their use of opioids. However, the study was retrospective and relied on participants reporting whether they experienced symptom relief, so it is possible that the placebo effect may have played a role. Additional randomized, placebo-controlled studies are needed.

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Researchers at the University of New Mexico (UNM) recently solved a major gap in scientific literature by using mobile software technology to measure the real-time effects of actual cannabis-based products used by millions of people every day.

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The American Psychological Association has asked the U.S. attorney general to act immediately to evaluate the more than two dozen cannabis grower applications that have been languishing for more than two years at the Department of Justice, noting that the scientific community is eager to advance the research on both the harmful and therapeutic effects of marijuana and its derivatives.

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Salisbury University has signed the first agreements with prospective industrial hemp growers under a new Maryland Department of Agriculture pilot program to legalize the crop with a university research component.

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UC San Diego Health is among 31 health facilities selected from across the state to participate in the California Bridge Program, an accelerated, 18-month training program for health care providers to enhance access to around-the-clock treatment for patients with opioid use disorder.

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Seven in 10 parents think they should have a say in whether dispensaries are located near their child’s school or daycare and most say they should be banned within a certain distance of those facilities.

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Philadelphia, February 11, 2019 - As marijuana legalization sweeps North America, use of the substance has been on the rise, and the public's attitude is shifting. An increasing number of people believe that "weed" is the safest recreational drug, one that carries health benefits that outweigh its risks.