Articles tagged with Cannabis
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A new study published in the journal Addiction found that moderate cannabis use during adolescence can have adverse effects on cognitive function, especially verbal memory. The study compared siblings to account for environmental and genetic factors, shedding light on the potential risks of cannabis use on developing brains.
A study from Yale School of Public Health found that higher rates of e-cigarette and marijuana use were associated with fewer vaping-related lung injuries. The study suggests that well-established markets for these substances may have crowded out the use of riskier, informally sourced e-liquids that drove the outbreak.
A new THC Rapid Field Test Kit developed by Purdue University and Hemp Synergistics allows law enforcement to distinguish hemp from marijuana in under five minutes, accurately measuring THC levels. This tool is expected to lower forensic laboratory submissions of suspected marijuana cases by 50%.
A study published in JAMA Network Open examines the association between depression and cannabis use among US adults. The analysis reveals a significant positive trend between cannabis use and depression, with the correlation strengthening over time.
A new study found that adults with sickle cell disease who received medical marijuana required fewer hospital visits than those who did not. Receiving medical marijuana was also associated with an increase in the use of edible cannabis products, which may help individuals better tolerate their pain at home.
A recent study by Dr. Jeremy Bernerth and H. Jack Walker found that using cannabis after work hours does not compromise job performance as assessed by supervisors. In fact, the researchers suggest that after-hours cannabis use may offer some work-related benefits, such as helping employees relax and restore energy after a long day.
A large study has found a link between cannabis use during pregnancy and an increased risk of autism in children. The study, published in Nature Medicine, looked at data from over 500,000 women in Ontario and found that children exposed to cannabis in utero were at greater risk of developing autism.
A phase 2a trial of 82 people investigated whether cannabidiol (CBD) is safe and can help people with cannabis use disorder reduce cannabis use. The study found that daily prescribed medical-use CBD use can cause reduction in cannabis use among people with cannabis use disorder.
A randomized clinical trial found that prescribed doses of non-intoxicating CBD reduced cannabis use and increased abstinence days. Participants treated with 400mg or 800mg CBD showed lower levels of cannabis in their urine and more days abstinent compared to placebo.
A new study from the University of Washington found that teens may be more likely to use marijuana following legalization due to increased adult use and store proliferation. The study's lead author notes that early use during adolescence can have negative health consequences, making it concerning that teen use may be going up.
A new clinical trial suggests that vaporized cannabis is safe and potentially effective in mitigating chronic pain caused by sickle cell disease. The study found that patients experienced reduced pain levels and improved mood over time, paving the way for further research on medical cannabis as a treatment option.
Experts argue that New Zealand's proposed cannabis legislation lacks clear criteria for minimum price and potency levels, posing challenges in reducing cannabis use over time and taxing products by THC potency. The bill needs strengthening to address these gaps and ensure a comprehensive regulatory framework.
The Medical Cannabis Real-World Evidence (MC-RWE) clinical trial aims to provide high-quality medical cannabis products with standardized potency and purity. Patients will have access to various products through an online portal, allowing them to track their consumption and effectiveness.
Research reveals that cannabis exposure leads to dysfunction of glucose metabolism in astrocytes, compromising neuronal functioning and resulting in reduced social interactions. The study sheds light on the link between cannabis use and sociability, highlighting potential therapeutic solutions.
A University of Colorado Boulder study found that mothers who used marijuana during pregnancy were more likely to report their children having clinical sleep problems. The researchers also discovered that frequent marijuana use was associated with somnolence symptoms in children, such as excessive tiredness and difficulty waking up.
The study identified fluctuations in brain network connectivity during cravings, particularly between reward-related regions such as the central executive network and the nucleus accumbens. These dynamic patterns are associated with cannabis use disorder severity and can be used as biomarkers for treatment strategies.
A pilot study found that cannabidiol significantly reduced irritability, aggression, self-injury, and yelling in children and adolescents with intellectual disabilities. The intervention was safe and well-tolerated by most participants, providing hope for a larger-scale trial to definitively test its effectiveness.
Recent studies examined the association between recreational marijuana legalization and changes in traffic fatality rates. The research found a significant decrease in traffic fatalities after states legalized cannabis use.
A new study published in Annals of Internal Medicine finds that a 4-month rifampin regimen is cheaper and more effective than a 9-month course of isoniazid for treating latent tuberculosis. The treatment has the potential to change the way latent tuberculosis is treated, with significant cost savings for healthcare systems.
A new study found that most cannabis poisoning incidents among children involved intentional use of cannabis combined with alcohol, illicit drugs, or medication. The majority of cases were reported on weekdays, with youth smoking cannabis and drinking alcohol in private residences.
A new study of regular cannabis users found that high-potency marijuana concentrates spike blood levels of THC more than twice as much as conventional weed, but do not lead to greater impairment. Despite this, the study raises concerns about the potential long-term health risks of concentrated cannabis use.
A lack of reliable data on marijuana use hinders public health research in US states where cannabis has been legalized. Researchers found significant gaps in data availability, particularly for adolescent use and perceptions of cannabis.
A recent study led by Washington State University's Carrie Cuttler found that cannabis reduces the severity of post-traumatic distress disorder (PTSD) symptoms by about 62% for intrusions, 51% for flashbacks, and 67% for irritability. However, the symptom reductions were not permanent.
A University of Toronto team has been awarded a $1.5 million grant to study the impact of cannabis use on Indigenous oral health in Canada. The study will gather first evidence of the effects of cannabis on Indigenous populations, working in partnership with communities and public health authorities.
A comprehensive new report by the University of Michigan Injury Prevention Center documents cannabis trends in Michigan, including increased use among Michiganders, revenue generated for the state, and growing public health concerns related to cannabis use disorder, motor vehicle crashes and emergency department visits. The report prov...
A new study has found no link between recent cannabis use and an increased or decreased risk of ischemic stroke. Despite previous studies with conflicting results, researchers adjusted for various factors and found no association between marijuana use and stroke risk.
Researchers found that frequent cannabis users are unaware of effective harm reduction techniques, such as avoiding driving after use. Public health practitioners need to better inform users about these strategies to minimize costs and risks associated with cannabis use.
A new study from the University of Bristol found that users of high-potency cannabis are four times more likely to report associated problems than users of lower-potency strains. The research used data from a long-term health study and controlled for other factors, such as frequency of use and early mental health symptoms.
Researchers have identified cannabis and frankincense on two Iron Age altars in a biblical Judahite shrine, shedding new light on cult practices. The study suggests cannabis was used as a psychoactive to stimulate ecstasy during ceremonies.
Research found that most people at high risk of overdose in Vancouver's Downtown Eastside who use cannabis do so for pain relief and other therapeutic reasons. Cannabis users in this group had lower odds of experiencing a recent non-fatal opioid overdose, indicating a possible reduction in opioid reliance.
Researchers at UNM demonstrated that legal cannabis hemp oil reduced mechanical pain sensitivity by 10-fold in mice with chronic post-operative neuropathic pain. The study's findings suggest that hemp oil can be an effective treatment for chronic pain, offering a natural and relatively safe alternative to conventional drugs.
A recent study published in Drug and Alcohol Dependence found sex-related differences in the effects of cannabis use on brain activity and subjective response. Neural activity primarily underlies response to cannabis cues, with no differences between male and female users, while female users exhibit more intense subjective craving.
A study found that an optimal minimum legal age of 19 for non-medical cannabis use balances the risk of adverse outcomes with the potential benefits. This age limit is lower than previously recommended ages, but higher than the current age of 18 in Canada.
A new study in Washington state found that police officers have varying concerns about the legalization of cannabis, including its effects on youth and impaired driving. The study's findings can inform other states' efforts to address legalization.
UCLA chemists have reported the key chemical discovery necessary for creating a small, electronic marijuana breathalyzer. The research uses electricity to change the chemical structure of THC, the primary psychoactive ingredient in marijuana, making it easier to detect whether a person is impaired.
Dr. Staci Gruber will use the grant to investigate differences between whole-plant, full-spectrum and single extracted compounds in cannabis products. Her research aims to clarify the potential for synergistic effects of full-spectrum products versus single extracted compounds.
Research focuses on simultaneous cannabis and alcohol use's impact on fetal brain development, nerve growth, and blood vessels. The study aims to understand the combined effects of SAC on developing offspring.
A new study by UC Davis finds that California cannabis safety testing costs growers around 10% of the average wholesale price, mainly due to rejected product disposal. Higher testing costs translate into higher prices for the licensed market, posing a risk to unlicensed alternatives.
A study published in Advances in Preventive Medicine found that Canadians with a history of cannabis dependence are more likely to have some form of mental illness or substance dependence. Social support and being older were also associated with better mental health outcomes.
A Columbia-led study found that early exposure to cannabis makes young brains more sensitive to cocaine, shedding light on the neurobiology of drug use in adolescence. The research revealed key molecular and epigenetic changes in adolescent rats' brains after synthetic psychoactive cannabinoids were followed by cocaine.
A study combining 47 studies with 23,000 participants estimated that cannabis withdrawal syndrome affects approximately 8% of individuals who stop using the substance. The syndrome's symptoms include irritability, nervousness or anxiety, depression, and headache.
Daily marijuana users with severe pain reported worsening health over the past year, despite frequent cannabis use. The study found no association between marijuana use and changes in health status among those with low levels of pain.
A study surveyed 2,400 US 12th-graders from 2015 to 2018, finding an increase in marijuana vaping and edible use. The researchers also found that smoking marijuana was the most common method of use among this age group.
A recent study found that THC, the psychoactive ingredient in marijuana, impairs female fertility by decreasing embryo development and quality. The research suggests that females exposed to THC have lower rates of viable pregnancies and are more likely to experience infertility.
A recent study by Washington State University researchers found that more than 50% of college students reported experiencing coughing fits, anxiety, and/or paranoia while using cannabis. The study also identified the most distressing adverse reactions, which included panic attacks, fainting, and vomiting.
A study published in PLOS ONE found that more than 90% of legal marijuana products offered in medical dispensaries are stronger than recommended for chronic pain relief. This can lead to increased risk of developing cannabis-use disorders and tolerance, according to the study's lead author.
The need for correct CBD labeling is a growing concern due to its increasing use in food and supplements. Accurate labeling helps protect consumers from false or unsubstantiated claims, ensuring they receive evidence-based treatments.
A recent study highlights large gaps in the cannabis genome, with less than 50% accurately mapped and 10-25% unmapped. The research aims to develop a molecular breeding program for cannabis comparable to other crops, with potential applications in human and animal health.
A systematic review and meta-analysis found that cannabinoid treatment reduced subjective pain scores compared to placebo in patients with acute pain. Intramuscular cannabinoids were more effective than oral cannabinoids in reducing pain relative to placebo.
A recent investigation by The BMJ uncovered links between groups advocating for wider medical cannabis access and those pushing for recreational legalization. Industry funding for research into medicinal properties of cannabis has raised concerns about conflicts of interest and the potential normalization of cannabis use.
A single dose of THC can induce a range of psychiatric symptoms in healthy volunteers, including schizophrenia-like symptoms. No consistent evidence suggests that cannabidiol moderates the effects of THC.
A new study by Columbia University's Mailman School of Public Health found that pregnant women with depression are more than 3 times more likely to use cannabis. The study, based on nationally representative data, also revealed that depression increases vulnerability to cannabis use even among those who perceive substantial risk.
Adding travel history to patient evaluation could help identify risk for potential exposure to COVID-19. The authors argue that this simple measure can trigger more detailed history, appropriate testing, and rapid implementation of protective measures.
Researchers have identified cannabigerol (CBG) as a potent antibacterial agent against methicillin-resistant Staphylococcus aureus (MRSA). CBG targets the cell membrane of gram-positive bacteria, showing promise in treating MRSA infections.
Researchers at McMaster University have discovered a non-psychoactive cannabinoid called CBG that shows promising antibacterial activity against drug-resistant MRSA. The study found that CBG prevents the ability of bacteria to form biofilms and destroys preformed biofilms, targeting the cell membrane of the bacteria.
A new study published by the American Psychological Association found that adolescents who are bullied about their weight or body shape may be more likely to use alcohol or marijuana. The link between appearance-related teasing and substance use was strongest among overweight girls, raising special concerns about this group.
A study analyzing national survey data found that cannabis use increased significantly among women, racial/ethnic minorities, and those with higher incomes or education levels. The proportion of adults who reported past-year marijuana use rose from 2.4% to 4.2% between 2015-2018.
A large observational study found an association between cannabis use during pregnancy and increased risk of depression, anxiety, and trauma diagnoses. The study analyzed data from over 1 million women screened for prenatal cannabis use in California.
Research found that community-level LGBTQ supportiveness is associated with lower odds of lifetime substance use among sexual minority boys and girls. Living in a large population center also reduced the risk of lifetime alcohol use for boys, while a progressive political climate increased the risk of marijuana use for girls.
A new RAND Corporation study found that about 12% of young adults surveyed were aware of heated tobacco products and 5% reported using them. The devices are being promoted by the tobacco industry as alternatives to cigarettes.