Current Marijuana News and Events

Current Marijuana News and Events, Marijuana News Articles.
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Teens may be more likely to use marijuana after legalization for adult recreational use
Adolescents who live in California may be more likely to use marijuana since adult recreational marijuana use was legalized in 2016, according to a new report in the Journal of Studies on Alcohol and Drugs. (2021-02-15)

Sleep keeps teens on track for good mental health
As families settle back into a new school year, sleep experts at the University of South Australia are reminding parents about the importance of teenagers getting enough sleep, cautioning them that insufficient sleep can negatively affect their mental health. (2021-02-10)

Co-use of alcohol and marijuana and beliefs among teens
New research from the Prevention Research Center of the Pacific Institute for Research and Evaluation examines whether recreational marijuana legalization in Oregon and marijuana and alcohol retail outlet density levels are associated with co-use and beliefs supportive of use of each among teens. (2021-01-31)

UC study: The dangers of drugged driving are outpacing drunk driving
A recent study of drugged driving, by a team of University of Cincinnati researchers, shows that a sizable percentage of individuals reported the use of marijuana and other illicit drugs while operating behind the wheel. (2021-01-26)

Drink and drug risk is lower among optimistic pupils with 'happy' memories, says study
Teenagers with happy childhood memories are likely to drink less, take fewer drugs and enjoy learning, according to research published in the peer-reviewed journal Addiction Research & Theory. (2021-01-25)

Youths with mood disorders who use marijuana at higher risk of death, self-harm
Youths with mood disorders who use and abuse cannabis (marijuana) have a higher risk for self-harm, death by all causes and death by unintentional overdose and homicide, according to research led by The Ohio State University Wexner Medical Center and The Ohio State University College of Medicine. (2021-01-19)

Disagreeing takes up a lot of brain real estate
In a new study Yale scientists looked into the brains of individuals engaged in conversation. What they observed varied significantly depending on whether or not the participants were in agreement. (2021-01-13)

Density of marijuana retailers linked to higher use among young adults
Researchers have begun to examine how the number of marijuana outlets influence use of the drug, but most of the work thus far has examined medical marijuana dispensaries prior to the opening of recreational retail outlets. The first study to look at both licensed and unlicensed recreational marijuana retailers finds that their density is associated with more use and a greater intensity of use among young adults. (2021-01-13)

Marijuana use typically drops at the beginning of the year, then climbs in summer and fall
Marijuana use increases throughout the calendar year, with use up 13 percent on average at the end of each year compared to the beginning. (2021-01-11)

Study finds new evidence of health threat from chemicals in marijuana and tobacco smoke
Scientists at Dana-Farber Cancer Institute and the Centers for Disease Control and Prevention have uncovered new evidence of the potential health risks of chemicals in tobacco and marijuana smoke. (2021-01-11)

NIH study suggests using cannabis while trying to conceive may reduce pregnancy chances
Women who use marijuana could have a more difficult time conceiving a child than women who do not use marijuana, suggests a study by researchers at the National Institutes of Health. Marijuana use among the women's partners--which could have influenced conception rates--was not studied. (2021-01-11)

Experimental vaccine can counter dangerous effects of synthetic cannabinoids
Made in clandestine laboratories and sold widely across the United States, the diverse class of drugs known as synthetic cannabinoids presents a growing public health threat. In a new study, Scripps Research scientists have devised a way to deactivate these designer drugs after they've been administered--offering a potential path for treating addiction and overdose. (2020-12-16)

Study: Surge of teen vaping levels off, but remains high as of early 2020
Findings released today from the most recent Monitoring the Future (MTF) survey of substance use behaviors and related attitudes among teens in the United States indicate that levels of nicotine and marijuana vaping did not increase from 2019 to early 2020, although they remain high. The annual MTF survey is conducted by the University of Michigan's Institute for Social Research, Ann Arbor, and is funded by the National Institute on Drug Abuse (NIDA), part of the National Institutes of Health. (2020-12-15)

Changes in vaping, other substance use, another side effect of COVID-19
Before the COVID-19 pandemic, information about the dangers of vaping was emerging. To investigate the potentially serious health and respiratory implications of vaping, Mayo Clinic researchers wanted to better understand the factors influencing vaping in the community. They were ready to launch a survey of young adults in rural and urban areas when COVID-19 shifted the focus of this survey. (2020-11-19)

Certain CBD oils no better than pure CBD at inhibiting certain cancer cell lines
Cannabidiol (CBD) oils are equally or less effective at inhibiting the growth of certain cancer cells compared to pure CBD, according to Penn State College of Medicine researchers. The results of their recent study indicate that future research into the clinical applications of cannabinoids should include an analysis of whether the pure cannabinoid compound or intact plant material is more effective at achieving the therapeutic effect. (2020-11-17)

Marijuana use associated with complications after heart attack or procedures
Two separate studies find dangerous complications following heart procedures for marijuana users. Smoking marijuana (also known as cannabis) may significantly increase the risk of stroke and bleeding following procedures to open blocked arteries. Similarly, marijuana users who had a heart attack or procedures to open blocked arteries were more likely to be readmitted to the hospital for a second heart attack or cardiac procedure than non-users. (2020-11-09)

Teen boys link marijuana use with more, better sex
Teen-age boys exposed to pro-cannabis advertising and social media posts are more likely than female peers to associate marijuana use with improving sexual activity, new research from Washington State University suggests. (2020-10-28)

More young adults are abstaining from alcohol
Fewer college-age Americans drink alcohol, compared to nearly 20 years ago, according to a new study. (2020-10-12)

Cannabis ads and store location influence youth marijuana use
States may want to consider the proximity of cannabis retailers and cannabis advertising to neighborhoods to prevent underage use of the drug, according to new WSU research. (2020-10-08)

Fighting intestinal infections with the body's own endocannabinoids
Endocannabinoids, signaling molecules produced in the body that share features with chemicals found in marijuana, can shut down genes needed for some pathogenic intestinal bacteria to colonize, multiply, and cause disease, new research led by UT Southwestern scientists shows. (2020-10-07)

Cannabinoids associated with negative respiratory health effects in older adults with COPD
Cannabinoids, a class of prescription pills that contain synthetically-made chemicals found in marijuana, are associated with a 64 per cent increase in death among older adults with chronic obstructive pulmonary disease (COPD), according to the first published data on the impact of cannabinoids on the respiratory health of individuals with the lung disease. (2020-09-30)

Cannabis data lacking, but machine learning could help
Everyone's heard of THC and CBD. But many other active compounds in cannabis interact to influence its effects. A new study confirms that those compounds are seldom tested for, and strain name is not indicative of potency or chemical makeup. Machine learning techniques could help fill the knowledge gap. (2020-09-29)

College students with disabilities at greater risk for substance abuse
College students with physical and cognitive disabilities use illicit drugs more, and have a higher prevalence of drug use disorder, than their non-disabled peers, according to a Rutgers study. (2020-09-21)

Vaping, marijuana use in 2019 rose in college-age adults
Vaping marijuana and vaping nicotine rose sharply in the past three years among college-age (19-22 years old) adults, according to 2019 survey results from the Monitoring the Future (MTF) study. The percentage of college students who said they vaped marijuana in the past 30 days rose from 5.2% in 2017 to 14% in 2019. The corresponding percentages for their non-college-attending peers increased from 7.8% in 2017 to 17% in 2019. (2020-09-15)

Sexual minority men who smoke report worse mental health and more frequent substance use
Cigarette smoking is associated with frequent substance use and poor behavioral and physical health in sexual and gender minority populations, according to Rutgers researchers. The study, published in the journal Annals of Behavioral Medicine, examined tobacco use by sexual minority men and transgender women to better understand the relationships between smoking, substance use and mental, psychosocial and general health. (2020-09-09)

Stop! Grand theft water
An international team of researchers led by the University of Adelaide has developed a new method to better understand the drivers of water theft, a significant worldwide phenomenon, and deterrents to help protect this essential resource. (2020-08-26)

Rates of e-cigarette and marijuana use not associated with vaping-related lung injuries
Higher rates of e-cigarette and marijuana use in U.S. states did not result in more e-cigarette or vaping-related lung injuries (known as EVALI), a new study from the Yale School of Public Health finds. (2020-08-25)

Study: Medical marijuana associated with fewer hospitalizations for individuals with SCD
Individuals with sickle cell disease (SCD) who receive medical marijuana to treat pain may require fewer visits to the hospital, according to a new study in Blood Advances. Adults with SCD who requested and obtained medical marijuana were admitted to the hospital less frequently than those who did not obtain it. (2020-08-13)

What influences adolescents to share marijuana-related content on social media?
With social media use being as prevalent as ever, a new study from Washington State University's Edward R. Murrow College of Communication shows that adolescents may share marijuana-related content on social media in an effort to fit in with their peers. (2020-08-04)

Cannabinoids may affect activity of other pharmaceuticals
Cannabinoid-containing products may alter the effects of some prescription drugs, according to Penn State College of Medicine researchers. They published information that could help medical professionals make safe prescribing choices for their patients who use prescription, over-the-counter or illicit cannabinoid products. (2020-08-03)

Concussions associated with cognitive, behavioral, and emotional consequences for students
Concussions can have a compounding effect on children, leading to long-term cognitive, behavioral, and emotional health consequences, according to researchers at The University of Texas Health Science Center at Houston (UTHealth), who published their findings in the American Journal of Sports Medicine. (2020-07-22)

Legal marijuana may be slowing reductions in teen marijuana use, study says
A longitudinal study of more than 230 teens and young adults in Washington state finds that teens may be more likely to use marijuana following legalization - with the proliferation of stores and increasing adult use of the drug -- than they otherwise would have been. (2020-07-20)

Marijuana use while pregnant boosts risk of children's sleep problems
As many as 7% of moms-to-be use marijuana while pregnant, and that number is rising fast as more use it to quell morning sickness. But new research suggests such use could have a lasting impact on the fetal brain, influencing children's sleep for as much as a decade. (2020-07-02)

Marijuana concentrates spike THC levels but don't boost impairment
A study of 121 regular users of legal market cannabis found that higher potency does not necessarily mean greater intoxication. It also found that while balance and memory are impaired immediately after use, that impairment fades within in an hour. (2020-06-10)

Gaps in data on marijuana use limit public health response
Better data on marijuana use in the US is needed to support critical public health research, according to a review of relevant surveys conducted by University of Massachusetts Amherst researchers. (2020-06-10)

Does using marijuana affect a person's risk of stroke?
The jury's still out on whether the use of marijuana may increase the risk of stroke. While several larger studies have found an increased risk, other studies have found no such increased risk. (2020-06-03)

Job skills training leads to long-term reduction in drug abuse
Job skills training for low-income youth does more than just help them get better jobs - it makes them significantly less likely than others to use some illicit drugs, even 16 years later. (2020-05-13)

How do police view legalized cannabis? In Washington state, officers raise concerns
A new study evaluated the effects of legalizing cannabis on police officers' law enforcement efforts in Washington. The study found that officers in that state, although not supportive of recriminalization, had a variety of concerns, from worries about the effect on youth to increases in impaired driving. The study can inform other states' efforts to address legalization. (2020-05-07)

UCLA researchers develop chemistry needed to create marijuana breathalyzer
UCLA chemists report the key chemical discovery necessary for the creation of a small, electronic marijuana breathalyzer. (2020-05-05)

Study reports high level of hazardous drinking among Pacific Islander young adults in US
Pacific Islander young adults in the US have an extremely high level of hazardous drinking and potential alcohol-use disorders, a University of California, Riverside, study has found. The study found 56% of PI young adults screened positive for hazardous drinking, a level that places people at heavy risk for accidents, drunk driving, and serious social and health problems; 49% of young adults screened positive for active alcohol-use disorders, more than eight times the national rate. (2020-05-05)

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