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 found that college students in Oregon are using more marijuana following the state's legalization of recreational use. The study also revealed a link between heavy alcohol use and increased marijuana consumption among young adults.
Research published in The Journal of Alternative and Complementary Medicine found that vaporized cannabis oil can produce cancer-causing compounds when heated. Formaldehyde levels were found to exceed the daily exposure limit with just one inhalation, highlighting potential health risks.
A recent study by Columbia University's Mailman School of Public Health found that mixing booze and pot increases the risk of fatal two-vehicle crashes. Drivers who used alcohol, marijuana, or both were more likely to be responsible for causing fatal crashes compared to sober drivers. The researchers analyzed data from 14,742 fatal two...
A new paper examines the diverging trajectories of cannabis and tobacco policies in the US, highlighting the differences in regulatory approaches. The study suggests that both communities could benefit from learning from each other's strategies.
Research finds that regular and occasional teen cannabis use is associated with a heightened risk of problematic substance misuse in early adulthood. Teens who used cannabis regularly were 37 times more likely to be nicotine dependent and three times more likely to have a harmful drinking pattern by age 21.
A UK study found that regular and occasional cannabis use among teens is associated with a greater risk of other illicit drug taking in early adulthood. Cannabis use was also linked to harmful drinking and smoking habits.
A study by researchers at the University of Illinois Chicago found that low levels of tetrahydrocannabinol (THC) reduce stress, while slightly higher doses cause increased anxiety. The study used a dose-dependent approach to investigate the effects of THC on stress in healthy volunteers.
The Canadian Institutes of Health Research has invested over $1.8 million in brain health research at Baycrest, led by Dr. Tomáš Paus and Dr. Bradley Buchsbaum. The studies aim to understand how cannabis use affects brain development and memory in young adults, as well as develop targeted treatments for neurodegenerative diseases.
A study by the University of Washington's Social Development Research Group found that adult marijuana use declines with parenthood, but doesn't end. The research, published in Prevention Science, surveyed 808 adults over a 12-year period and found that parents' marijuana use is strongly related to their children's use.
The Canadian Medical Association Journal argues that marijuana legalization will jeopardize young people's health due to its toxic effects on brain development. The journal calls for restrictions on potency and quantity to minimize risk, citing evidence that the human brain continues to mature until age 25.
A special issue of Epilepsy & Behavior evaluates the benefits of medical marijuana for treating epilepsy, highlighting gaps in knowledge and education. Key findings include anecdotal data on cannabis use for epilepsy treatment and potential effects on brain function.
A recent study published in the Journal of Periodontology found that frequent recreational cannabis use increases the risk of gum disease. The study analyzed data from over 1,900 US adults and found that frequent users were twice as likely to have signs of periodontal disease as non-frequent users.
A new study by San Diego State University researchers found that cigarette smoke, marijuana smoking, and candles are significant sources of airborne particles in homes. The study also discovered that frying food and cleaning products increase fine particle levels, posing a risk to children's health.
Researchers found that nearly one-third of older adults prescribed opiates while hospitalized experienced poor outcomes, including being restrained and requiring bladder catheterization. Alternative pain management options like acupuncture and tai chi should be integrated into inpatient care, according to the study's findings.
A new study by RTI International found that using new marijuana products and edibles significantly increases the risk of experiencing an unexpected high. Most people who experience unexpected highs sleep it off or engage in protective behaviors, but some report unintended consequences such as having sex or ending up in hospital.
A study by the University of Waterloo found that frequent marijuana use among high school students negatively impacts academic performance, with those who started using regularly being four times more likely to skip class and half as likely to achieve high grades.
Researchers found that low-dose cannabis can reverse cognitive decline in older mice by increasing nerve cell connections and reversing molecular signatures. This breakthrough opens the door to potential human clinical trials for treating age-related dementia.
A new study led by the University of Delaware found that kids who are bullied in fifth grade often suffer from depression and begin using alcohol and other substances a few years after the incidents. The study also shows that peer victimization has lasting effects on substance use five years later.
Colorado hospital ER visits for teen marijuana-related issues increased fourfold after legalization, with 66% of patients exhibiting mental illness symptoms and 65% requiring psychiatric consultations. The study suggests targeted education and prevention strategies are needed to address the public health impact on adolescent populations.
A nearly three-year study in Denver found that legal marijuana shops are associated with an increase of about 84 more property crimes per year in adjacent areas. However, violent crime remained unchanged, suggesting that the negative effects of marijuana outlets may be limited to non-violent offenses.
Research finds that medical marijuana laws are associated with higher rates of illicit cannabis use and disorders, particularly in states with earlier laws. The study analyzed data from three national surveys and found significant increases in cannabis use and disorders between 1991-1992 and 2012-2013.
A US national survey study found that illicit cannabis use and disorders rose significantly in states with medical marijuana laws compared to others. The increase was attributed to factors like perceived safety and availability, highlighting the need for education on risks and treatment services.
A new study by Tel Aviv University researchers links cannabis use in adolescence to an increased risk of developing schizophrenia. The research found that psychoactive compound THC triggers brain defects associated with the disorder in genetically susceptible individuals.
Researchers discovered that capsaicin in chili peppers and anandamide in marijuana interact with the same receptor in the stomach, calming the immune system and reducing inflammation. The study holds promise for new therapies for diabetes and colitis, as well as understanding the relationship between the gut, brain, and immune system.
A new study published in the journal Addiction suggests that cannabis use is associated with a lower risk of psychosis than previously believed. For patients with schizophrenia, cannabis exacerbates symptoms. Regulation of cannabis markets could help reduce health risks, particularly when combined with tobacco use.
A recent study found that female student-athletes who engage in community service and civic engagement are less likely to use dangerous substances. The research suggests that helping others can create positive change in the community and reduce stress-related substance abuse.
A recent study by UCSF found that young adults experience greater pleasure from smoking cigarettes while under the influence of alcohol compared to marijuana. The study, which used self-reported data from 500 participants aged 18-25, suggests that co-use of cigarettes and alcohol may be more pleasurable than co-use with marijuana.
A high-sensitivity troponin T test can safely rule out myocardial infarction (MI) in patients presenting to emergency departments with possible acute coronary syndrome. The test, combined with a non-ischemic electrocardiogram, indicates low risk for MI and allows for safe discharge of patients.
A study published in Annals of Internal Medicine found that being overweight at any point in adulthood increases the risk of death from various causes, including cardiovascular disease and cancer. Researchers analyzed weight history over 16 years and found that people with a maximum BMI in the overweight or obese categories were at ele...
A new study by McMaster University suggests that cannabis use is associated with an 82% increased risk of continuing opioid use among women in methadone treatment. The research found that nearly 60% of men and 44% of women using methadone also use cannabis.
A Vanderbilt study found that increasing the supply of a natural chemical called 2-arachidonoylglycerol (2-AG) in the brain promotes resilience to acute stress exposure. The study suggests that boosting this signaling system could represent a new treatment approach for mood and anxiety disorders, including PTSD.
Researchers have identified approximately 30 terpene synthase genes that contribute to diverse flavors in cannabis. These genes play a role in producing natural products like limonene, myrcene, and pinene, which are responsible for the plant's characteristic aromas.
A new study by James McIntosh suggests that early marijuana use can lead to negative impacts on physical and mental health, including cognitive impairment, memory loss, and increased risk of respiratory diseases. Young users who start using marijuana before the age of 15 are more likely to experience these effects.
A prospective study found that symptoms of depression, drinking alcohol, or using marijuana increased the risk of synthetic marijuana (SC) use one year later. SCs are potent chemicals similar to THC, often sold as potpourri or incense and appealing to adolescents due to ease of access and affordability.
A study published by the American College of Cardiology found that marijuana use is associated with a higher risk of stroke and heart failure. Even after accounting for other health conditions and lifestyle risk factors, marijuana use was independently linked to a 26% increase in stroke risk and a 10% increase in heart failure risk.
A recent study found that over 60% of people support legalization due to increased tax revenues, job creation, and reduced prison crowding. In contrast, anti-legalization arguments emphasizing public health concerns received less support.
A study published in PLOS ONE found that college students who consume medium-to-high levels of alcohol and marijuana have a consistently lower GPA over two years. The study tracked 1,142 students for two years after they began college and found that those who used both substances experienced lower GPAs throughout the period.
A recent review highlights cannabidiol's effects on fear and drug memory processes, suggesting its potential as a treatment for anxiety-related and substance abuse disorders. Cannabidiol is not linked to the cannabis 'high' and may alleviate symptoms without unwanted side effects.
The Lancet Psychiatry experts argue that cannabis use can be made safer through various strategies, including regulating potency, reducing tobacco use, and exploring the effects of CBD modification. The authors also highlight the need for more research on the harms posed by different levels of THC and CBD content.
A study by the University of British Columbia found that 63% of patients with medical cannabis used it instead of their prescription drugs. The main reasons for this switch were reduced side effects, better symptom management, and a perception that cannabis is safer than prescription drugs.
A new study conducted by RTI International found that many edible marijuana products lack clear labels, making it difficult for consumers to know what they are consuming. The study suggests improvements such as web-based education and graphics on labels can inform buyers and the public about safe consumption practices
Research published in BMJ Open found that brainy teens are less likely to smoke, but more likely to drink alcohol and use cannabis. The study tracked the substance use of over 6,000 English teenagers from age 11 to 19, revealing persistent patterns into adulthood.
The expansion of legal marijuana cultivation in US states is causing significant environmental damage, including high water and energy demands, local contamination, and air pollution. Researchers are urging the need for more studies on the industry to protect public health and the environment.
McGill University has become the world's first Open Science academic institution, aiming to accelerate research and discovery of new treatments for neurological diseases. The MNI is opening its books to international partners, ensuring transparent data sharing on genomic and health data.
Experts recommend that laws legalizing marijuana outline restrictions on age, frequency of use, potency, and advertising to prevent abuse. They also emphasize the need for additional research to guide informed policy decisions.
Research suggests that cannabinoids in medical marijuana could alleviate heroin withdrawal symptoms and cravings. A specific compound, cannabidiol, shows promise in reducing anxiety related to cravings and restoring neurobiological damage.
Researchers found synthetic marijuana compounds are chemically distinct from marijuana, activate different receptors, and pose health risks. Studies reported acute and long-term adverse effects, including seizures, psychosis, dependence, and death.
A new study found that delaying marijuana use until age 17 is associated with better brain function and fewer cognitive declines. Adolescents who started using cannabis earlier showed poorer verbal skills and vocabulary, as well as difficulties with problem-solving and daily adaptation.
A study by University of Colorado School of Medicine students found that nearly half believe marijuana has significant physical health benefits and 37% think it has mental health benefits. Despite this support, many medical students expressed hesitancy to recommend marijuana themselves due to a lack of data and training.
Medical students in Colorado express strong support for marijuana legalization, but hesitate to prescribe it due to limited data and training. Most believe further research is needed on its physical and mental health benefits.
Researchers have identified a non-addictive pathway to pain relief by targeting endocannabinoid receptors in the brain. The study suggests that selective activation of CB2 receptors can contribute to the medicinal benefits of cannabis while minimizing the risk of tolerance and withdrawal.
Researchers developed a new method to detect trace levels of cannabinoids in breast milk, which could help determine health risks for infants exposed through second-hand use.
A recent study found that cannabis use among older Americans is increasing, with most users taking it less than once a week. The study suggests that social attitudes, state laws, and individual health needs are shaping these paths, and recommends a national survey to inform public policy.
A new study found that teen perception of marijuana's harmfulness decreased by 14.2% and 16.1% in Washington's 8th- and 10th-graders after recreational legalization, while marijuana use increased by 2.0% and 4.1%. No changes were seen in Colorado.
A study found that marijuana legalization significantly reduced perceptions of harm in eighth- and 10th-graders, but increased past-month use by 2-4% in Washington state. No change was seen in Colorado. The authors attribute the increase in teen use to reduced stigma and perceived risk after legalization.
A study by Columbia University's Mailman School of Public Health found that states with medical marijuana laws experienced an 11% reduction in traffic fatalities, with the greatest impact on drivers aged 15-24 and 25-44. Dispensaries were also associated with a significant reduction in traffic fatalities among this age group.
A new study published in the Journal of the American Medical Association found a significant rise in past-month marijuana use among women of reproductive age between 2002 and 2014. The prevalence increased from 2.4% to 3.9%, with higher rates among younger and pregnant women.
A recent study from the University of Bristol found stronger evidence that schizophrenia risk predicts cannabis use, rather than the other way round. This suggests that people with schizophrenia may use cannabis as a form of self-medication to manage symptoms.
A new study from Colorado State University found that using cannabis for depression or anxiety relief may not be the long-term answer. Researchers analyzed data from 178 college-aged users of recreational cannabis, who reported lower symptoms of one condition compared to another.
Researchers found that N-acetylcysteine reduced both marijuana and alcohol use in treatment-engaged adolescents. The study's results suggest NAC may generalize to other substances and be useful in decreasing adolescent alcohol use.