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 research team at Leibniz-HKI has developed a new method to produce complex natural products, including the precursor to THC, in amoebae. By leveraging the natural properties of the amoeba, they were able to produce a functional inter-kingdom hybrid enzyme that produces olivetolic acid without additives.
A CAMH-led study found that repetitive transcranial magnetic stimulation (rTMS) reduced self-reported cannabis use by up to 60% among people with schizophrenia and CUD. The treatment was associated with reduced cravings and improved quality of life.
A 16-year study of over 2,000 Australian children shows that young people who use drugs but quit before adulthood have similar life success as those who never used drugs. The study highlights the importance of stopping drug use in early adulthood to prevent adult health and wellbeing issues.
A new synthetic substance, PECS-101, has been shown to prevent neuropathic pain caused by chemotherapy while improving cancer treatment outcomes. The study, conducted in mice, found that PECS-101 had no adverse effects and did not cause dependence.
LaTrice Montgomery, a University of Cincinnati researcher, emphasizes the need for more specific data on cannabis use among different racial and ethnic groups. Her research focuses on cannabis addiction, also known as cannabis use disorder (CUD), which is listed in industry standard handbooks alongside other stimulants.
Ontario residents aged 15 and older experienced a 190% increase in ED visits due to cannabis from January 2016 to May 2021. The rapid expansion of the legal market, combined with the COVID-19 pandemic, contributed to this surge.
A new study examines the 'skunk' smell and other emissions from cannabis production, finding they can be equivalent to livestock operations. The review highlights gaps in knowledge about cannabis emissions and their impact on air quality.
A new American Heart Association scientific statement highlights the need for caution when using marijuana due to its impact on brain health. Previous animal studies suggest that THC can disrupt memory, learning, and brain development, particularly in adolescence. The statement also raises concerns about the risks of cannabis use durin...
A study of drivers with past-year alcohol and cannabis use found that two in five reported driving under the influence of alcohol, cannabis, or both. Simultaneous use was associated with a higher risk of DUI, particularly among young adolescents.
A recent study found that cannabis-related emergency department visits among adolescents and young adults in Ontario rose nearly five-fold between 2003 and 2017. The study highlights an emerging public health problem and emphasizes the need for further research into the causes of this trend.
A recent study published in JAMA Pediatrics has estimated that a significant proportion of e-cigarette users among youth ages 12 to 24 are also vaping cannabis. The study found an association between cannabis vaping and increased risk of mental health issues, highlighting the need for further research and prevention efforts.
Researchers found that young adults with cannabis use disorder are more likely to experience recurrent strokes compared to those without the condition. The study suggests that chronic marijuana use may impair blood vessel function and increase the risk of future strokes.
Research from the Dunedin Multidisciplinary Health and Development Study finds that prolonged cannabis use leads to over-inflated lungs and increased airway resistance, impairing oxygen extraction. This effect is distinct from tobacco use and may reflect early signs of a severe form of emphysema.
A new study found that female adults who heavily used cannabis had a lower incidence of diabetes compared to those who did not use cannabis. In contrast, light cannabis use among females and male adults with any level or no cannabis use showed no association with diabetes diagnosis.
A recent study found that combining cannabis and alcohol significantly worsens driving performance compared to using either substance alone. This is because the effects of cannabis on driving are additive to those of alcohol, leading to impaired lane control and increased crash risks.
A study found that 31.4% of trauma patients at Hospital das Clínicas in São Paulo, Brazil, tested positive for psychoactive substance use, including alcohol (23%), cocaine (12%), and marijuana (5%). The study contributes to the development of public policies to prevent accidents.
A two-year randomized trial found that cannabis use significantly impaired driving ability, particularly in the first few hours after smoking. Despite varying levels of THC content and user history, participants displayed diminished skills on simulated driving tests.
A new study published in Fertility & Sterility found that chronic marijuana use negatively impacts male reproductive health, leading to decreased testicular size and lowered testosterone levels. The Oregon Health & Science University study used nonhuman primates to assess the effects of daily THC consumption on reproductive function.
A recent survey by Johns Hopkins Medicine researchers found that about 22% of young sexual minority males and transgender females engage in transactional sex. The practice is associated with HIV exposure, substance use disorder, and unstable housing. Researchers plan to develop interventions to address economic and social vulnerabilities.
Researchers found that CBN preserves mitochondrial function and prevents oxidative damage to nerve cells, suggesting potential for treating age-related neurodegenerative diseases like Alzheimer's. The compound works independently of cannabinoid receptors, making it a promising therapeutic option.
A study found that recreational cannabis companies market their products in a way that appeals to children and teens, despite state-based regulations prohibiting it. The marketing is easily viewed by people of all ages on social media platforms.
A systematic review of 43,000 participants found cannabis use leads to acute cognitive impairments that persist beyond intoxication. Cannabis intoxication impairs areas including concentration and memory, with potential consequences for daily life, education, and work performance.
A study published in Science Advances found that cannabidiol (CBD) inhibited SARS-CoV-2 infection in human cells and mice, suggesting its potential as a preventative or early treatment for COVID-19. CBD's effects were confined to high purity doses and specific situations.
A Montreal-based study found that alcohol, cannabis, and nicotine use remained stable among 24- to 33-year-olds from before the pandemic to now. However, people with lower education levels and those living alone were more likely to start or increase substance use during COVID-19.
A new study shows that California's legalized marijuana industry has boosted financial institutions' assets and loan activity, but restricted access to banking perpetuates inequities for licensed growers. The research highlights the need for regulatory changes to create new opportunities for both industries.
A large-scale survey of over 500 delta-8-THC users found they experience fewer negative side effects and use it in safer modalities compared to delta-9. The study's findings have significant implications for lawmakers, public health officials, and consumers as more states legalize cannabis while prohibiting delta-8.
Researchers at Massachusetts General Hospital have developed a portable brain imaging procedure using functional near-infrared spectroscopy (fNIRS) to detect acute impairment from THC intoxication. The technique shows promise in distinguishing between impairment and mild intoxication, with accuracy confirmed by machine learning models.
Research finds a heightened risk of bronchitic symptoms and shortness of breath among young adults exposed to secondhand nicotine vapour from e-cigarettes. Exposure to ultrafine particles, volatile compounds, and metals can harm lung tissue.
A significant increase in emergency department visits due to cannabis exposures among children was found after Canada's recreational cannabis legalization. The study suggests that the introduction of legal edible cannabis products contributed to this trend.
Emergency department visits for cannabis poisonings in children under 10 increased ninefold after commercial cannabis edibles were legalized, with 39% requiring hospitalization. Researchers found that cannabis legalization overlapped with the COVID-19 pandemic, leading to a surge in cannabis poisoning cases.
The January issues of American Psychiatric Association journals feature new research on the factors underlying alcohol and cannabis use, as well as their interactions with other psychiatric illnesses. The journals also address disparities in coercive treatment for psychosis and provide insights into mental health services delivery.
Researchers found that CBD shrinks glioblastoma tumors by reducing inflammation and restoring immune balance. The compound also suppresses key proteins involved in tumor growth and spread, making it a potential novel adjunct therapy for glioblastoma patients.
A study published in CMAJ found that people using cannabis during pregnancy and lactation do so to manage symptoms such as nausea and mental health problems. The motivations for use change when they become pregnant, with some stopping due to fear or stigma, while others continue to use it for symptom management.
Researchers at Tel Aviv University successfully treated autism in animal models with medical cannabis oil, improving behavioral and biochemical parameters. The treatment showed significant improvement in compulsive and anxious behaviors, and a decrease in the concentration of the arousing neurotransmitter glutamate.
A new study reveals that cannabis plants can absorb heavy metals from the soil, making them potentially toxic for consumers. The research proposes strategies for growers to avoid heavy metal uptake in their crops, including choosing farmland with low heavy metal content and selecting varieties not bred for phytoremediation.
The Monitoring the Future survey found a significant decrease in illicit drug use among adolescents in 2021, with notable declines in alcohol, marijuana, and vaping use. The survey also reported moderate increases in mental health indicators, highlighting an unexpected consequence of the COVID-19 pandemic.
A case series of 10 children with severe epilepsy found that whole plant medicinal cannabis reduced monthly seizure frequency by an average of 86%. The study suggests that whole plant products may be more effective than CBD products in treating childhood-onset severe treatment-resistant epilepsy.
New research suggests that cannabis use can lead to harmful drug-drug interactions by interfering with two families of enzymes that metabolize a wide range of drugs. This could result in unintended side effects such as toxicity or accidental overdose, particularly for older individuals using medications.
A University of Otago study surveyed 529 students to investigate factors influencing the switch from illicit to lawful cannabis sources. The main facilitator identified was perceived safety, with 63% of respondents citing this as a primary reason for sourcing cannabis through legal channels.
New research from the Prevention Research Center found that youth exposed to tobacco marketing were more likely to use both tobacco and cannabis on the same day. The study used GPS data and surveys to track youth travel patterns and exposure to tobacco outlets.
A study found that long-term cannabis smokers have increased levels of Actinomyces meyeri in their saliva, which correlates with the length of cannabis use. This bacterium was shown to decrease activity and increase beta-amyloid production in mice, suggesting a link between oral microbiome disruption and brain health.
A study of US adults found a link between cannabis use and extremes of nightly sleep duration, with recent users more likely to report short or long sleep. Heavy users were 64% more likely to experience short sleep and 76% more likely to experience long sleep compared to non-users.
A Washington State University study found that cannabis vapor exposure lowered sperm counts and slowed movement in male mice and their sons. The study suggests that cannabis use may be detrimental to male reproductive function, contributing to declining human sperm counts.
Researchers discovered a new family of prenylated volatile sulfur compounds responsible for the characteristic skunky smell of cannabis. The findings suggest these compounds could have medicinal properties and are being investigated further.
A nationwide survey of 387,000 US adults found that high-frequency cannabis use was associated with characteristics such as younger age and lower educational attainment. The study suggests that sociodemographic factors may play a role in cannabis use patterns.
Research conducted by Mount Sinai Hospital reveals that cannabis exposure in utero can lead to higher levels of anxiety, aggression, and hyperactivity in children. Placental gene expression also shows lower immune-activating genes, predicting these outcomes.
A study found that budtenders and healthcare providers are seeking more training on interacting with pregnant and breastfeeding women about their cannabis use. Healthcare providers have a negative opinion of the effects of cannabis use, while budtenders perceive marijuana as a safer alternative to perinatal alcohol or cigarette use.
Research found that cannabis exposure during pregnancy is associated with higher levels of stress hormone cortisol, anxiety, and hyperactivity in children. Maternal cannabis use also suppresses immune-activating genes, predicting higher anxiety in offspring.
A study published in JAMA Network Open found that monthly alcohol sales increased by an average of 5.5% over expected sales, while cannabis sales surged by 25% during the COVID-19 pandemic. Canadians bought $1.86 billion more alcohol and $811 million more cannabis than predicted based on pre-pandemic trends.
Researchers found cannabis use disorders among pregnant patients had sharply higher levels of depression, anxiety, and nausea, warranting clinical concern. The study's findings underscore the need for further exploration of the disorder and its links to psychiatric and medical conditions.
US car crash deaths involving cannabis have doubled between 2000 and 2018, with those also involving alcohol increasing by over 100%. Researchers found a significant link between cannabis use and increased risk of alcohol involvement in fatal crashes.
Increased arrest rate disparities in states without cannabis decriminalization and legalization policies highlight the need for targeted interventions to address racial injustice. The study suggests that these policies can help reduce racial disparities in marijuana possession arrests.
A review and meta-analysis of 17 studies found a significant increase in cannabis vaping among adolescents in the US and Canada. The study reported nearly 200,000 participants, with a doubling of reported vaping prevalence over the eight-year period.
A survey of breast cancer patients found that nearly half use cannabis to alleviate pain, fatigue, and other symptoms while undergoing treatment. Physicians are often unaware of patients' cannabis use, highlighting the need for informed conversations about its potential benefits and risks.
A new study has found that breast milk from marijuana-using mothers does not negatively impact the short-term health of early premature infants. However, researchers note that more research is needed to understand the potential long-term effects of this exposure on these children's development and health.
A new study reveals that THC can cause birth defects in genetically predisposed mice, highlighting the risks of cannabis consumption during pregnancy. Pups with a mutation in Hedgehog signalling developed brain and face defects, emphasizing the need for further research into human health implications.
A new study published in Prehospital and Disaster Medicine found that prehospital ketamine administration for excited delirium with concomitant cocaine intoxication significantly increases the risk of subsequent emergency department intubation. The study's findings suggest that cocaine may deplete excitatory neurotransmitters, leading ...
Scientists at Temple University will explore the therapeutic potential of KLS-13019, a CBD analog that shows promise as an opioid alternative. The Phase 2 SBIR grant aims to test the compound's effects on rat models of neuropathic pain, shedding light on its safety and efficacy.
A Kaiser Permanente analysis of over 100,000 pregnancies in Northern California found a significant increase in cannabis use early in pregnancy after the pandemic began. The rate of cannabis use rose from 6.75% to 8.14% during the pandemic.
A recent survey-based study reveals racial and ethnic differences in cannabis use following the legalization of recreational cannabis. The study found that cannabis use increased disproportionately among Black and Hispanic populations compared to White individuals.