Articles tagged with Cannabis
A new study by Carnegie Mellon University found a growing share of cannabis consumers report daily or near-daily use, exceeding those of daily and near-daily alcohol drinkers. Long-term trends in cannabis use parallel corresponding changes in US policy over 43 years.
A new study found that nearly 3% of healthy adolescents aged 11-15 have used commercial CBD products for medicinal or health-related reasons. The study identified predictors of commercial CBD use, including older age, certain health conditions, and parental attitudes towards cannabis use.
A new study published in Addiction journal found that high-potency cannabis use between 16 and 18 doubles the risk of psychotic experiences from 19 to 24. Researchers analyzed data from the Children of the 90s study, which tracked over 14,000 individuals from birth to age 24.
A recent study found that breastfeeding mothers who use cannabis have detectable amounts of THC in their milk, even after 12 hours of abstinence. The amount of THC detected is low, but its impact on infants is unknown.
A study published in Cannabis and Cannabinoid Research found that approximately 60% of women with disabilities perceive no risk associated with weekly cannabis use. Women with disabilities are more likely to view cannabis as harmless than those without disabilities, highlighting the need for effective screening and dissuasion strategies.
A study published in JAMA Network Open found that combining cannabis and nicotine use during pregnancy significantly increases the risk of poor health outcomes for newborns. Infants born to mothers using both substances are at a fourfold higher risk of infant death compared to those using neither substance. Abstaining from at least one...
A new study found that sociodemographic variables are the most robust predictors of substance use initiation among adolescents. Factors such as religion, race, and income play a significant role in determining an adolescent's likelihood of initiating substance use.
A new study published by the University of Bath found that adolescents are more vulnerable to cannabis use disorder than adults, despite using cannabis less frequently. The study showed that adolescents reported greater negative impacts on daily functioning and symptoms of cannabis use disorder.
Researchers surveyed 260 chronic cannabis users, finding they are motivated to exert effort while high and not lazy. Chronic use also affects self-regulation, leading to increased impulsivity and decreased thoughtfulness.
A repeated cross-sectional study of recreational marijuana laws and teen marijuana use from 1993-2021 found no evidence of an encouraging effect. The logistic regression and interaction-weighted models showed no significant association between the two variables.
A study analyzing nearly 900,000 high school students found that cannabis legalization and retail sales have limited associations with adolescent substance abuse. The researchers discovered modest decreases in cannabis, alcohol, and e-cigarette use following recreational cannabis legislation.
Scientists at Salk Institute explore the clinical potential of cannabinol (CBN) in treating traumatic brain injury, Alzheimer's disease, and Parkinson's disease. They identify four CBN analogs with improved neuroprotective ability and drug-like efficacy.
Research using 2011-2021 data found limited associations between recreational cannabis legalization and adolescent substance use. Recreational cannabis retail sales were linked to lower e-cigarette use and an increased frequency of cannabis use among users, leading to no overall change in cannabis use.
A recent study published by the European Psychiatric Association found a significant association between prenatal cannabis use disorder and an increased risk of neurodevelopmental disorders in offspring, including attention deficit hyperactivity disorder (ADHD), autism spectrum disorder (ASD), and intellectual disability (ID). The stud...
A US study found that medical cannabis enrollment increased overall between 2016 and 2022, but decreased in states with legalized recreational use. The number of patients using cannabis for medical purposes has risen by over 600% since 2016.
A new study found that non-medical cannabis use is significantly associated with a 96% decrease in odds of subjective cognitive decline. However, medical and dual-use were not significant in reducing the risk of SCD. The study highlights the potential protective effects of cannabis on cognition, but more longitudinal research is needed...
Vaping additives, particularly vitamin E, can damage the lungs by inhibiting gas exchange and lung stability. The study used Langmuir films to simulate the expansion and compression of the pulmonary surfactant, observing how the additive changed its properties and monitored changes as more were added.
Researchers found that medical cannabis legislation in the US improves mental health for individuals with chronic pain and those using marijuana for medical reasons. However, no negative impact was observed on recreational users or younger populations.
Researchers found that genetic variations in THC-metabolizing enzymes can influence how young adults experience cannabis, with slower metabolizers at higher risk for cannabis use disorder. The study suggests educating teens about the differences in cannabis effects could improve their understanding of risk factors.
A recent study published in The Journal of Pain has found that CBD products are ineffective in reducing chronic pain and may pose health risks. The research, led by the University of Bath, examined existing studies on CBD and concluded that there is no quality evidence to support its use as a pain reliever.
Researchers discovered toxic metal particles in unused cannabis vape liquids, with lead levels 100 times higher than acceptable limits. The contamination was linked to device production, not heating, and highlights the need for regulation and improved testing procedures.
Researchers at the University of the Basque Country have developed an advanced technology to rapidly classify cannabis plants by chemotype. This non-invasive method uses hyperspectral imaging and machine learning to differentiate between plant types, allowing for efficient quality control in production.
A recent study found that high school students who use both tobacco and cannabis products miss more school and have lower grades compared to those who don't use either product. The researchers analyzed data from the California Healthy Kids Survey, which showed that students who used both tobacco and cannabis reported the highest percen...
A recent study found that 11% of 12th-grade students in the US used delta-8 THC, with higher rates in states without cannabis legalization or delta-8 regulations. The survey also showed that delta-8 use was more common in the South and Midwest regions.
A new study found that over 11% of US 12th graders used delta-8-THC in the past year. The substance's widespread availability and lack of regulation pose significant risks to youth. Delta-8-THC use was highest in Southern and Midwestern states, where it is widely sold.
A scoping review of literature found associations between cannabis use and non-cancerous urogenital illnesses like acute kidney injury and urinary retention. However, the data also suggest a therapeutic role of cannabis in certain urological conditions.
A nationally representative US survey found appreciable Δ8-THC use prevalence among adolescents. States without marijuana legalization or existing Δ8-THC regulations have higher prevalence rates, highlighting the need for surveillance and policy efforts.
A study by UC San Francisco researchers found that daily cannabis users had a 25% increased risk of heart attack and a 42% increased risk of stroke compared to non-users. The study also found significant cardiovascular risks associated with cannabis use, including coronary heart disease and the combination of heart attack and stroke.
A new study found that frequent cannabis use is associated with a higher risk of heart attack and stroke, even after controlling for tobacco use and other cardiovascular risk factors. The study analyzed data from over 430,000 adults in the US and found that smoking cannabis was significantly linked to cardiovascular risks.
A large observational study found that frequent cannabis smoking is associated with a significant increased risk of heart attack and stroke. Daily use was linked to a 25% increased likelihood of heart attack and a 42% increased likelihood of stroke, while less frequent use also showed an increased risk of cardiovascular events.
Researchers found that CBD-dominant products reduced anxiety symptoms and improved mood without the intoxicating effects of THC. The study suggests that CBD may provide a safer alternative for treating anxiety disorders.
A survey study reveals primary care pediatricians lack preparedness in managing adolescent OUD, with a notable gap compared to other substance use disorders. The results underscore the importance of workforce training programs to address this critical healthcare issue.
A new study found that specialty treatment for cannabis use disorder decreased in states with medical and recreational cannabis laws, despite a growing need for treatment. The study suggests that public education and access to evidence-based services are needed to address the unmet treatment needs of people with CUD.
A recent study found that recreational marijuana laws are associated with a 10% rise in workplace injuries among individuals aged 20-34, likely due to impaired cognitive function and care. The study suggests that these laws may have unintended consequences for worker safety.
Research suggests cannabis can help manage stimulant cravings in individuals at risk of overdose, with a notable reduction in crystal meth use observed among those who used cannabis for craving management. Further investigation is needed to understand the full potential of cannabis in addressing the overdose crisis.
A recent Drexel University study found nearly a quarter of binge eating patients have used cannabis in the past three months. Cannabis use was related to drinking patterns and problems with drinking, but not to severe eating disorder symptoms or depression.
A new study published in The Lancet's eClinical Medicine found that 27% of individuals who visited emergency departments for cannabis use developed a new anxiety disorder within three years. Heavy cannabis use may worsen existing symptoms and delay evidence-based treatments.
The latest APA journals issue highlights new developments in understanding and treating opioid and cannabis use disorders. The focus also includes trends in telepsychiatry and emerging topics in reproductive psychiatry.
A survey of 2,002 Danish dog owners found that 38% used cannabinoids, primarily CBD, to treat their pets' pain, behavioral issues, and allergies. 77% of these owners reported positive effects on their dogs' mental or physical health.
High school students who use cannabis are more likely to develop asthma, with prevalence increasing with frequency of use. The study, published in Pediatric Pulmonology, analyzed data from the 2019 Youth Risk Behavior Surveillance System and found a significant association between cannabis use and asthma.
A recent study by researchers at Columbia University's Mailman School of Public Health found a significant link between cannabis use and current asthma prevalence among US adolescents and adults. The study analyzed data from the 2020 National Survey on Drug Use and Health, finding that individuals who reported cannabis use in the past ...
A study published in ScienceDirect reviews the overlap between cannabis use and psychosis, highlighting the potential risks of cannabis on neurobiology. The study suggests that cannabis can exacerbate psychosis symptoms and impact motivation and attention, but also notes some potential benefits of cannabis use for social functioning.
A study of 31 participants aged 65-79 found increased weaving and decreased speed after cannabis smoking. Impaired driving persisted for three hours, regardless of blood THC concentrations.
A new peer-reviewed study suggests that cannabis is having no significant effect on people's use of opioids, taken outside of medical guidance. The findings have substantial implications for U.S. treatment programs, which still require patients to abstain from cannabis before qualifying for potentially life-saving treatment.
Researchers at Washington State University discovered that cannabis activates a set of cells in the hypothalamus, promoting appetite in mice. The study used calcium imaging technology to determine how brain cells responded to vaporized cannabis sativa.
A nationwide Danish study found a slightly increased risk of arrhythmia in patients taking medical cannabis for chronic pain. The risk was more than twice that of those not receiving cannabis, with the largest increases observed in older adults and those with pre-existing cardiovascular conditions.
A new study found that fentanyl-laced prescription pills are driving a surge in overdose deaths among high school age adolescents in the US. The death rate for this group has increased to 5.2 per 100,000, with Arizona and Colorado experiencing rates double the national average.
A recent study published in Sports Medicine found that cannabis users reported increased enjoyment and euphoria during exercise, with CBD seemingly having a greater impact on mood than THC. However, the use of cannabis before exercise was found to have no significant effect on performance.
A new University of Maryland School of Medicine review article published in the New England Journal of Medicine finds nearly 16 million Americans have cannabis use disorder, with young adults disproportionately affected. The review emphasizes the need for doctors to screen and treat patients experiencing symptoms of cannabis use disorder.
A new U-M study found that 72% of adults in the US have heard of CBD, while fewer are aware of other hemp-derived cannabinoids like delta-8-THC and CBG. The products' lack of regulation and inadequate safety testing pose health risks to consumers, especially young people.
The article proposes a way forward for cannabis research by acknowledging the history of discrimination and proposing actions to increase diversity and inclusion. The authors suggest passing equity-focused legislation, supporting scientists of color, and implementing inclusive recruitment practices.
A multicenter observational cohort study found that cannabis exposure was associated with a higher risk of small-for-gestational-age birth, medically indicated preterm birth, stillbirth, and hypertensive disorders of pregnancy. The risk was particularly pronounced among those who continued to use cannabis beyond the first trimester.
A large study of over 9,000 pregnant people found that cannabis exposure during pregnancy is associated with a composite measure of unhealthy pregnancy outcomes, including low birth weight. Higher levels of cannabis exposure were also linked to higher risks of complications.
A new study published in Cannabis and Cannabinoids Research found that 12% of people aged 50-80 have consumed a THC-containing substance in the past year. Those who drink alcohol at risky levels have a higher rate of cannabis use, highlighting the need for education and screening for older adults.
Researchers found that combined use of alcohol and THC affects the prefrontal cortex, impairing synaptic plasticity in rats. The effects were more pronounced in females and were likely due to changes in gamma-aminobutyric acid signaling.
A 20-year Australian study found no evidence that cannabis reduces illicit opioid use, and its effectiveness in managing opioid crisis is uncertain. The researchers suggest that clinicians and policymakers should exercise caution when relying on cannabis as a solution.
Research published in The American Journal of Psychiatry finds that cannabis use disorder is disproportionately increasing among veterans with psychiatric disorders, particularly those with more severe mental health conditions. The study suggests that factors like increased legalization and potency may contribute to this trend.
Research at the Radiological Society of North America annual meeting found that marijuana smokers are 12 times more likely to develop centrilobular emphysema compared to non-smokers. Combined marijuana and cigarette smoking increased the risk of breathing difficulties and other serious respiratory symptoms.
A large Kaiser Permanente study found a connection between prenatal cannabis use and increased risk of low birthweight and neonatal intensive care unit (NICU) admission. The study analyzed over 360,000 mothers and infants and found a dose-response relationship between cannabis use and infant health risks.
A genome-wide study of over 1 million people identified dozens of genetic variants linked to cannabis use disorder and related health issues. The study found associations between cannabis use disorder and psychiatric disorders, as well as an elevated risk of developing lung cancer.