Articles tagged with Cannabis
A new study from UNLV Medicine doctors found daily marijuana use during pregnancy may lead to low birth weight, delayed fetal growth, and increased placental vascular resistance. The researchers reviewed sonogram data from nearly 450 pregnant women who self-reported daily marijuana use.
A Portland State University study found that vape additives, particularly terpenes, can form more toxins than the main psychoactive chemical THC when inhaled. The researchers discovered that vendors were adding up to 30% more terpenes to their products, which can impact flavor and smell but also pose health risks.
A recent study found that US poison control centers received over 67,300 calls regarding exposures to natural psychoactive substances from 2000-2017. The majority of cases involved marijuana, with a notable increase in hospital admissions and serious medical outcomes.
A recent study published in the Journal of Pain found that inhaled cannabis reduces self-reported headache severity by 47.3% and migraine severity by 49.6%. The study analyzed archival data from over 1,300 patients who used medical cannabis to track changes in their symptoms before and after use.
Recent study finds parental marijuana use is a risk factor for increased substance abuse among adolescents and young adults, with no association found between parental marijuana use and opioid misuse by children. The study analyzed data from 24,900 parent-child pairs, accounting for environmental factors.
A new study suggests that cannabis cultivation and residential development can cause significant streamflow depletion, with impacts felt most in late summer. Researchers found that groundwater pumping for cannabis irrigation has a larger impact on streamflow than traditional agriculture, posing a risk to local ecosystems.
A study found that 94% of adolescents in California, Colorado, Nevada, and Washington reported exposure to marijuana marketing on social media. This exposure is linked to recent marijuana use by adolescents. The researchers suggest that current restrictions on social media content are not effective in preventing exposure.
Daily cannabis use reduces illicit opioid use among people with chronic pain, researchers found in a study published in PLOS Medicine. The study of over 1,100 participants suggests that cannabis may be a beneficial alternative to opioids for pain management.
Research at McMaster University found that cannabis use didn't reduce illicit opioid use during treatment and failed to retain people in treatment. The study involved over 3,600 participants and provided limited insight into the potential benefits of cannabis as an 'exit drug' for opioid use disorder.
A new study found that problematic marijuana use increased by 25% among adolescents aged 12-17, while past-month frequent use rose by 23% among adults aged 26 or older after recreational legalization. The study suggests investing in substance use prevention and treatment to prevent unintended harms.
After recreational marijuana legalization, past-year cannabis use disorder among 12-17 year-olds increased from 2.18% to 2.72%. Frequent marijuana use among 26+ year-olds also increased, from 2.13% to 2.62%, and those with cannabis disorder rose from 0.90% to 1.23%. No association found among 18-25 year-olds.
A study from Columbia University's Mailman School of Public Health found that recreational cannabis legalization led to a 26% increase in past-month marijuana use and a 37% rise in cannabis use disorder among adults aged 26 and older. The researchers also observed a small increase in cannabis use disorder among adolescents.
A new study found that over three-quarters of Australian women with endometriosis use self-management strategies like breathing techniques, yoga, and dietary changes, with cannabis being the most effective treatment. Women reported significant reductions in pain, nausea, and depression symptoms, as well as a decrease in medication usage.
Two new studies presented at the American Heart Association's Scientific Sessions found that frequent cannabis use among young people is linked to a higher risk of stroke and heart rhythm disturbances. Young users who smoked cigarettes or e-cigarettes were three times more likely to have a stroke compared to non-users.
A new study shows that components of marijuana, including its cannabinoids CBD and THC, can cause brain and facial birth defects in mice when used during the first trimester of pregnancy. The research also found that combining CBs with alcohol increases the likelihood of these birth defects.
Researchers at the University of Alberta found that blocking natural cannabinoid receptors in zebrafish has detrimental effects on development, including reduced muscle innervation and locomotor activity. These findings suggest long-term negative consequences for fish even as adults.
A study of health survey data collected from over 24,000 Canadians found that people with PTSD who use cannabis are less likely to suffer from severe depression and suicidal thoughts. The research, published in the Journal of Psychopharmacology, is promising and merits further study.
A study by Johns Hopkins Medicine found that vaping 'high CBD, low THC' cannabis products can result in positive urine drug test results. Two out of six participants tested positive for THC after vaping a batch containing 10.5% CBD and 0.39% THC.
Research suggests that the prevalence of cannabis use disorder has decreased among frequent users between 2002-2016, with significant declines observed across all age groups. This decline may be attributed to changes in social attitudes and perceptions of risk associated with cannabis use, as well as increased legalization.
A new study reveals that stalked glandular trichomes in cannabis flowers are the richest source of THC- and CBD-forming metabolites and fragrance-giving terpenes. The findings provide insight into how these trichomes make and store valuable products.
A University of Washington study found that children whose parents used marijuana during adolescence are more likely to use marijuana and other substances, while those from non-using families have better grades, according to lead author Marina Epstein.
The Lancet report highlights the need for a new international approach to drug use, citing growing problems with stimulant use and emerging issues like cannabis legalization. The authors estimate that increased provision of opioid agonist treatment could help avoid up to 26% of opioid-related deaths.
A study analyzing Google searches from 2004 to 2019 found significant increases in interest for CBD, a chemical component of marijuana, with substantial growth in search volumes between 2017 and 2018. The researchers urge attention to CBD as a public health priority to understand its use and potential effects.
A systematic review of seven published studies suggests that medical marijuana may be associated with benefits such as decreased opioid overdose rates and improved quality of life. However, the results need to be confirmed by more rigorous scientific research due to limitations in study design and potential side effects.
Researchers suggest setting a unit level at 5mg of THC, which could be added to product packaging in countries where cannabis is legally sold. This system could provide clearer information on cannabis products and their strength, helping users make informed choices and minimizing potential health risks.
Researchers discovered a neurosteroid drug can correct behavioral problems and brain abnormalities caused by prenatal exposure to THC. This finding suggests a therapeutic approach for children born to mothers who used cannabis during pregnancy, highlighting the need for caution and guidance for pregnant women using cannabis.
A new study found no significant long-term effects of recreational cannabis laws on violent or property crimes in Colorado and Washington. However, there were some short-lived increases in certain types of crime following legalization.
Researchers have found no evidence of lipid accumulation as the cause of vaping-related lung injuries, suggesting a direct chemical injury from noxious fumes instead. The study's findings support concerns about the risks of vaping and call for better regulation and education.
Research reveals how CBD inhibits emotional processing in rats exposed to THC, reducing anxiety behaviors. The study proposes a bi-directional control of ERK1-2 phosphorylation as the key mechanism behind these findings.
A recent study examined marijuana use among US adults with and without medical conditions, finding that nearly one-third of adults reported using marijuana in the past year. The study suggests that marijuana use is common across various populations, with potential implications for both medical and non-medical conditions.
A pilot study by Desert Research Institute found high levels of biogenic volatile organic compounds (BVOCs) and butane at cannabis growing facilities in Nevada and California. These chemicals can contribute to ground-level ozone formation, posing health risks to workers and residents.
Students in CTC participating districts showed significant reductions in marijuana, cigarette, alcohol use, and delinquent behavior compared to non-CTC districts. The study highlights the effectiveness of evidence-based programs in promoting healthy youth development.
A new study is testing a text-delivered counseling program for young adults with cannabis use disorder. The program, called PNC-txt, aims to reduce heavy cannabis use and improve relationship and memory problems among participants.
Research highlights existing studies and recommended areas for further investigation into cannabis use among older adults, addressing concerns about public health policy and potential harms. Insights from five articles explore topics such as cannabis use disorders, co-occurring substance use disorders, and related comorbidities.
The Society of Cannabis Clinicians has named Cannabis and Cannabinoid Research its official journal, expanding its mission to advance the understanding of medical cannabis. The partnership aims to promote rigorous clinical research on cannabis and disseminate new discoveries to practicing physicians and the scientific community.
A study found daily marijuana use is seven times higher among bisexual women than heterosexual women, with gay/lesbian women also reporting higher rates of daily and past-year medical marijuana use. The research highlights the need for targeted health-promoting policies for LGB individuals.
A systematic review suggests that cannabinoids in cannabis may help reduce nightmares and improve sleep for people with PTSD. However, more research is needed to confirm the effectiveness of these treatments and ensure their safety.
A new study suggests that chance and opinion cascades, rather than deeply rooted ideological differences, drive political polarization. The researchers found that early movers can trigger a cascade in which later partisans pile on to their party's position, leading to large political differences.
Researchers found a specific gene associated with autism undergoes changes in the sperm of men who use marijuana, sparking further investigation into potential intergenerational effects. The study suggests a possible connection between cannabis use and autism, warranting urgent research given the increasing prevalence of marijuana use.
Researchers at the University of Pittsburgh have developed a portable breathalyzer that can detect tetrahydrocannabinol (THC) in a user's breath. The device uses carbon nanotubes to measure THC levels and has been shown to be comparable to mass spectrometry methods.
A recent study published in Journal of Adolescent and Young Adult Oncology found that 30% of young adult cancer patients (ages 18-39) tested positive for a breakdown product of cannabis. Cannabis users were more likely to be male and report having more severe symptoms, including pain and nausea.
A new study by Arizona State University researchers found that nearly one in four Arizona teens have used marijuana concentrate, a highly potent form of marijuana. The study also discovered that teens who used concentrates had more risk factors for addiction, including lower perceived risk of harm and peer substance use.
Researchers found that altering sample preparation conditions in chocolate samples can significantly impact cannabis potency test results. They discovered that the matrix effect of chocolate's fat content is suppressing the signal for Δ9-THC, which could have major implications for producers and consumers of cannabis-infused edibles.
Researchers surveyed 1,029 people ages 18 to 40 at EDM parties in NYC and found that one-third experience a drug-related adverse effect over the past year. The study also revealed that alcohol use was associated with the greatest number of adverse outcomes.
Researchers found strong evidence that cannabis alleviates pain, with users experiencing a significant drop in pain suffering after consumption. The study highlights the potential of cannabis as a safe and effective alternative to opioids for treating chronic pain.
A new RAND Corporation report estimates that US spending on cannabis, cocaine, heroin, and methamphetamine reached nearly $150 billion in 2016. The market for cannabis is roughly the size of the cocaine and methamphetamine markets combined, with total spending fluctuating between $120 billion and $145 billion each year.
Brooklyn Bioscience, a NYU Tandon startup, has developed an engineered enzyme to detoxify organophosphates from crops, including cannabis, wine grapes, and tea. The technology provides a low-cost, efficient solution for breaking down OPs into benign products.
A new study found that the prevalence of depression, cannabis use, and alcohol abuse among US former smokers increased from 2005 to 2016. The results show that former smokers are more likely to be male, married, and non-Hispanic white, with higher incomes and education levels.
A US study found a significant increase in depression, cannabis use, and binge drinking among former smokers from 2005 to 2016. The findings suggest that these risk factors could threaten progress in reducing cigarette use.
Rates of marijuana exposure cases among children and teens in Massachusetts rose after medical marijuana was legalized in 2012, with most calls coming from healthcare facilities. The majority of exposures were intentional among teenagers and unintentional among young children.
Massachusetts kids experienced a doubling of cannabis-related poison control calls after medical marijuana was legalized, with single-substance exposure increasing 140% and edible products linked to most age groups. The study calls for stronger regulations to prevent unintentional exposure among young children and enhanced efforts to p...
A new study from Penn State found that simultaneous alcohol and marijuana use is associated with heavier drinking, more frequent consumption, and higher levels of sensation-seeking characteristics. Individuals who used both substances simultaneously were also more likely to experience alcohol-related problems.
A systematic review and meta-analysis of 128,000 participants found a significant association between e-cigarette use and increased risk of marijuana use among adolescents and young adults. The study suggests that e-cigarette use may be a gateway to marijuana use, particularly among vulnerable populations.
A study by University of Houston researcher found that adults taking opioids for severe pain also experience increased anxiety, depression, and substance abuse issues when combining it with marijuana. This highlights the need for comprehensive assessment and treatment of chronic pain.
Researchers at Indiana University found that mice voluntarily consumed edible THC, resulting in decreased activity and lower body temperatures. The study's findings have implications for understanding the health effects of marijuana edibles on humans.
A new study published in Economic Inquiry reveals that marijuana access leads to significant reductions in opioid-related deaths. The research found a decrease of 20-35% in annual opioid mortality rates following recreational marijuana legalization in the US.
A new study found a blunted response to stress-induced dopamine signaling in the brains of individuals at high risk for psychosis who regularly use cannabis. The research highlights the need for further investigation into the impact of cannabis on brain neurochemistry, particularly among populations at risk for psychosis.
A study of adolescent substance use reveals that context plays a crucial role in decision-making about simultaneous alcohol and marijuana use. Adolescents choose to use substances based on how the physiological effects will fit with the social, physical, and situational characteristics of the context.
A recent study found that higher maternal Choline levels during pregnancy can prevent fetal brain developmental problems caused by marijuana use. Infants exposed to prenatal marijuana had decreased cerebral nervous system inhibition and lower 'regulation' scores, leading to attention and social function problems later in life.
Researchers found that a soybean antioxidant compound blocked damage to blood vessels in laboratory tests, potentially preventing cardiovascular side effects of recreational and medical marijuana use. The study suggests JW-1 could be a new way to protect blood vessels without psychiatric side effects.