Articles tagged with Cannabis
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A new University of Washington study found that despite public health campaigns, many women continue to use substances like tobacco, marijuana, and alcohol during pregnancy, while their partners' use remains stable. Men's patterns of substance use are bleaker, with men typically not targeted by these campaigns.
The Scripps Research Institute has been awarded a $4M grant to study the effects of chronic marijuana use on cognitive function, withdrawal symptoms, and stress systems. The research center aims to develop effective treatments for marijuana addiction by pooling expertise in tissue analysis, imaging, animal models, and human clinical tr...
Researchers identified distinct behavioral risk factors for head and neck cancers caused by human papillomavirus (HPV) versus those not caused by HPV. HPV-positive cancers were linked to sexual behaviors and marijuana use, while HPV-negative cancers were associated with tobacco smoking, alcohol use, and poor oral hygiene.
Research on 44,751 students from 1979-2004 shows that deviance-prone male youth are more likely to use marijuana when social acceptance is high. In contrast, deviance-prone female teens consistently use marijuana regardless of national trends, suggesting a lack of response to social pressures.
A small study has found that marijuana use does not significantly increase the risk of head and neck cancer. The relative risk was the same as in non-users, unlike smoking cigarettes and heavy alcohol consumption, which were linked to increased cancer risks. More research is needed to confirm these findings.
Research published by the American Academy of Neurology found that smoking marijuana can have a harmful effect on cognitive skills in people with multiple sclerosis. The study also showed a significant association between marijuana use and emotional problems such as depression and anxiety.
A recent study has found that heavy marijuana use is associated with an increased risk of developing periodontal disease. The study, which tracked over 900 individuals, found that frequent cannabis use since age 18 was linked to more than one-third of new cases of gum disease between ages 26 and 32.
Heavy cannabis users, especially those who smoke it almost weekly, are at higher risk of mild and severe gum disease. The study suggests that reducing cannabis use may also help reduce the prevalence of gum disease.
Regular marijuana use in young adulthood is associated with a higher risk of developing periodontal disease, according to the study. Cannabis exposure groups showed significant increases in periodontal attachment loss and new attachment loss compared to non-users.
Patients with chronic hepatitis C infection who use cannabis daily are at higher risk of moderate to severe liver fibrosis. Cannabis use combined with heavy alcohol consumption significantly increases the risk of liver damage. The American Gastroenterological Association recommends avoiding cannabis use in patients with HCV.
A study by Johns Hopkins Medicine finds that marijuana withdrawal is similar to tobacco withdrawal, with common symptoms like irritability and trouble sleeping. The research suggests that clinicians treating marijuana addiction should consider these effects in their practice.
A survey of 17- to 29-year-old university students found that users believed cannabis would help them fit in, feel relaxed, and forget their worries. Non-users cited work and study as strong reasons for not using cannabis.
A Swiss study finds that teens using only cannabis tend to be male, socially driven, and have fewer psychosocial issues compared to those who use tobacco or neither substance. They also report better academic performance, relationships with friends, and sports participation.
UK government's focus on cannabis reclassification may divert attention from more pressing health concerns. Experts argue that increasing penalties have limited impact on cannabis use and harm, highlighting the need for better public communication about the risks of substance abuse.
Detailed statistics show that 82% of parents accurately evaluated cigarette smoking, 86% accurately reported alcohol use, and 86% accurately reported marijuana use. However, only 72% accurately reported illicit drug use. Parents can use this knowledge to help themselves cope with teenage substance use.
A study by researchers at the University of California, San Diego, found that smoked cannabis eased pain induced in healthy volunteers. The results suggest a therapeutic window for cannabis analgesia, with moderate pain relief observed at a medium dose of 4% THC.
A new study found that a synthetic form of THC increases serotonin levels in the brain at low doses, acting as an effective anti-depressant. However, at higher doses, the effect reverses and can worsen depression and psychosis.
The endocannabinoid system has been found to be involved in various physiological processes, including neuroprotection, anxiety, depression, cancer development, vasodilatation, and bone formation. Research suggests that endocannabinoids may have therapeutic potential for diseases such as hepatic encephalopathy.
Researchers found African Americans experiencing racial discrimination more likely to report current tobacco use, recent alcohol consumption, and lifetime use of marijuana and cocaine. This association was also seen in Whites, suggesting that substance use may be an unhealthy coping response to perceived unfair treatment.
Research found that administering cannabinoids like THC reduces allergic reactions in mice with contact dermatitis. The study suggests a protective role for the endocannabinoid system in skin allergy and potential therapeutic applications.
Researchers found that low doses of THC can facilitate infection of skin cells and promote cellular events leading to malignancy, raising concerns for those with lowered immune systems. The study emphasizes the need for caution when using marijuana medicinally or recreationally among vulnerable populations.
Research found that cannabis smoking damages lungs, reducing fine airways and blocking large airways. The extent of damage is linked to the number of joints smoked, with higher consumption resulting in greater incapacity.
A meta-analysis of 35 studies found that cannabis use is associated with a 41% increased risk of psychosis, with the most frequent users more than twice as likely to develop a psychotic outcome. The study suggests that governments should invest in education campaigns to warn young people about the risks of cannabis use.
A new study by University at Buffalo's Research Institute on Addictions found a strong correlation between malt liquor consumption and marijuana use. Young adults who drink malt liquor are more likely to develop alcohol problems and use illicit drugs.
Researchers at the University of Alaska Fairbanks are working on a way to determine whether marijuana was grown indoors or outdoors by analyzing the stable isotopes of carbon, oxygen, nitrogen, and hydrogen. The method has potential to help police track down growing operations and match seized samples with known locations.
A study of over 3,500 French children found that 1.2% used performance-enhancing drugs at 11, increasing to 3% by 15. The most commonly used drug was salbutamol, with health problems and low self-esteem linked to its use. The study highlights the need for adults to monitor young athletes' behavior and address signs of distress.
Endogenous cannabinoids play a crucial role in establishing nerve cell connections, which may be impaired by maternal cannabis use. This discovery bolsters knowledge of normal brain development and sheds light on potential cognitive deficits in offspring.
A recent study found that marijuana smoking increases the risk of developing chronic obstructive pulmonary disease (COPD) among current cigarette smokers, particularly those over 40. The study also revealed that adding marijuana smoking to cigarette smoking boosts the odds of respiratory symptoms by a significant margin.
A smokeless cannabis-vaporizing device delivers the same level of active therapeutic chemical and produces the same biological effect as smoking cannabis, but without the harmful toxins. The study found that vaporization produced comparable levels of THC with minimal exposure to combustion-generated toxins.
In a randomized placebo-controlled trial, patients smoking cannabis experienced a 34 percent reduction in intense foot pain associated with HIV—twice the rate experienced by patients who smoked placebo. This study provides evidence for the therapeutic value of cannabis in managing HIV-associated sensory neuropathy.
A study published in Neurology found that smoking marijuana reduced nerve pain in people with HIV-associated sensory neuropathy by 34%, compared to 17% for those who received a placebo. The study also showed significant relief from chronic pain, with an average reduction of 72%.
A new study by Yale University researchers found a link between long-term marijuana smoking and respiratory complications, including obstructive lung disease. The study's findings suggest that patients should be advised of the potential negative impact on overall lung health despite methodological limitations.
Adolescents who use substances alone are more likely to have health and behavioral problems as young adults than their peers who consume substances in social settings. Solitary users tend to report poorer physical health by age 23, lower grades, and less engagement with school.
A 12-year study by University of Pittsburgh researchers suggests that marijuana use at a young age is not a predictor of substance abuse. Instead, environmental factors such as neighborhood exposure and parental involvement play a stronger role in determining drug use patterns.
Researchers found that marijuana-like compounds improved memory and reduced inflammation in older rats, suggesting potential therapeutic benefits for Alzheimer's disease. The study used synthetic compounds similar to marijuana to treat young and old rats, with the most notable improvement seen in older rats.
Researchers found that blunt smokers associate clinical symptoms with nicotine rather than marijuana dependence. The study of 92 blunts users in New York City suggests tobacco's presence may foster dependence on blunts.
A new study from the University of Washington found that children of smokers are more likely to smoke, binge drink or use marijuana in adolescence and adulthood. The study also discovered a link between substance use by parents and their children's behavior problems, with a transmission link observed across generations.
A study reveals that marijuana arrests shifted from rich areas to poor black and Hispanic neighborhoods in NYC between 1992 and 2003. The authors suggest issuing desk appearance tickets or asking smokers to stop instead of arresting individuals.
A new study in mice reveals that marijuana use at conception and early pregnancy can cause embryos to fail to reach the uterus, resulting in early pregnancy failure. The study found that THC, a major psychoactive component of marijuana, disrupts anandamide signaling, leading to impaired fertility and ectopic pregnancies.
Researchers found that early pubertal boys and girls were more likely to engage in abnormal eating behaviors and experience anxiety as young adults. The association suggests long-lasting changes in brain circuitry during early puberty, influencing behavior and cognitive functions.
A recent study by the American Thoracic Society found that marijuana smoking does not increase the risk of lung cancer or head and neck cancers. Heavy marijuana users, who smoked over 22,000 joints, did not have an increased risk of developing cancer.
A recent study using diffusion tensor imaging found no significant differences in brain integrity and volume between cannabis smokers and non-smokers. The findings suggest that moderate cannabis use may not have a direct impact on brain structure and integrity, but more research is needed to confirm these results.
A new study by the University of Queensland research has found a link between cannabis use and marital changes in children up to age 21. Children who experienced more frequent changes in their parents' marital status were more likely to report cannabis use, with almost half having used cannabis at some point.
A new DNA 'fingerprinting' technique separates hemp from marijuana by analyzing genetic markers. This method has the potential to distinguish marijuana varieties and aid in establishing origins of seized drugs, with implications for drug distribution networks and criminal defenses.
Frequent marijuana use leads to deteriorated cognitive functions, particularly in remembering new information. Long-term users showed significant impairment in cognitive abilities compared to non-users, with more severe decline over time.
A study examining drug use surveys found significant differences in how willing respondents were to disclose their use, particularly for marijuana and cocaine. The researchers suggest supplementing major surveys with drug tests to estimate willingness-to-disclose and its variation across different drugs and demographic characteristics.
A new anti-drug program, 'Be Under Your Own Influence,' has shown phenomenal success in reducing marijuana and alcohol use among teens. The campaign's focus on positive themes, such as independence and self-control, resulted in a significant decrease in substance use compared to schools without the program.
Researchers have discovered a new drug that raises the level of endocannabinoids, providing measurable antidepressant effects. The study found similar results to commonly prescribed antidepressants, suggesting URB597 as a safer, non-addictive alternative for pain and depression treatment.
Researchers found that repeated exposure to marijuana was related to abnormalities in the development of the arcuate fasciculus, a bundle of fibers connecting language and auditory functions. Longitudinal studies are needed to determine whether these changes in the brain are permanent or change over time.
Research suggests cannabis smoke contains the same carcinogens as tobacco smoke, but THC inhibits their activation in human cells, potentially reducing cancer risk. Cannabis has also been shown to kill cancer cells and reduce tumour growth.
Researchers have discovered a potential new target for cannabis-derived drugs to treat inflammatory bowel disease (IBD), which causes inflammation in the gastrointestinal tract. Cannabis-based medicines could help heal the gut lining, alleviating symptoms such as pain and weight loss.
The first year of marriage marks a significant change in relationships, leading to altered dynamics that influence marijuana use. Husbands are more likely to start or resume smoking if their wives do, while wives' influence on husbands is less pronounced.
Parents affect adolescents' substance use behaviors by influencing their images of typical smokers and drinkers, as well as their willingness to try substances. Strong parenting, especially in high-risk neighborhoods, has a positive impact on reducing substance use among teens.
Researchers identified a striking similarity in personality traits between problem gamblers and individuals with alcohol, cannabis, and nicotine dependence. Young adults with problem gambling diagnoses tended to exhibit negative emotions, impulsive behavior, and risk-taking tendencies, suggesting a common underlying profile.
Researchers have discovered that naturally occurring cannabinoids, such as 2-AG, play a role in stress-induced analgesia. A new drug targeting the enzyme monoacylglycerol lipase could manipulate these compounds to provide pain relief without psychoactive side effects.
A study of 72 adolescent marijuana users found that nearly two-thirds experienced four or more symptoms of marijuana withdrawal, including anxiety and irritability. The majority of participants also reported experiencing some withdrawal symptoms after abruptly stopping daily or near-daily use.
Researchers found two cases of severe anxiety and impaired psychomotor functions in male subjects who received oral cannabis, despite low blood concentrations. The study suggests that ingesting THC may produce potent metabolites that induce psychotic effects, contradicting previous expectations of safety with low doses.
A new UK survey found that 947 people use cannabis for medical purposes, with 68% reporting improved symptoms. Younger people and those with chronic pain were more likely to use it for medicinal reasons.
A study of over 13,700 US school students found that those involved in substance use, delinquency, and school problems were at high risk for continued marijuana use. The study identified five stages of marijuana involvement and recommended targeting these areas for prevention efforts.
A recent study by the American Academy of Neurology found that marijuana use impacts brain blood flow, even after a month of abstinence. The research involved 54 marijuana users and 18 control subjects, who underwent transcranial Doppler sonography to measure blood flow velocity and pulsatility index.