Marijuana News
June 30, 2023

Top Headlines

Researchers Analyze THC in Breath of Cannabis Smokers

Researchers analyzed THC levels in the breath of people who use cannabis regularly, both before and after they smoked marijuana. The researchers found that THC levels spanned a similar range across pre- and post-use samples. 'In many cases, we would not have been able to tell whether the person ...

Cannabinoids Give Worms the Munchies, Too

Marijuana (cannabis) is well known for giving people the 'munchies.' Not only does it make people want to eat more, but it also makes them crave the tastiest, most high-calorie foods. Now a new study shows that well-studied nematode worms (C. elegans) react to those chemicals known as cannabinoids ...

Marijuana for Medical Use May Result in Rapid Onset of Cannabis Use Disorder

A new study shows that using cannabis products to treat pain, anxiety and depression failed to improve these symptoms while doubling the risk of developing the addictive symptoms of cannabis use disorder. People seeking cannabis to treat symptoms of ...

Brain-Based Method to Determine Impairment from Cannabis Intoxication

A new study shows that imaging of brain activity with functional near-infrared spectroscopy might offer a more accurate and reliable way to distinguish impairment from cannabis ...

Latest Headlines
updated 11:03pm EDT

Earlier Headlines

Uptick in Prevalence of Simultaneous Cannabis and Alcohol Use in the U.S. After States Legalize Recreational Cannabis Use

Simultaneous cannabis and alcohol use, defined as using both substances at the same time so their effects overlap, increased in adults from 2008 to 2019, according to new research. Shifts in cannabis ...

Pregnant Women's Cannabis Usage in Legalized U.S. States Raises Calls for Screening

Pregnant women living in U.S. states where cannabis is legal must be screened for the drug, for the health of both mother and baby, claim scientists who in a new national study have found that they ...

Legalization of Recreational Cannabis Linked With Increased Alcohol Drinking, Study Finds

States that legalized recreational cannabis saw a slight population-level uptick in alcohol consumption that was largely driven by young adults and men, according to new ...

Cannabis Not Made Safer by Increasing Its CBD Content, Study Finds

New research has found no evidence that cannabidiol (CBD) reduces the negative effects of ...

Cannabis Legalization Boosts Use by Double Digits

A new first-of-its-kind study of twins finds that residents of states where recreational marijuana is legal use it 24% more frequently than those in states where it's illegal. It's among ...

People Who Use Therapeutic Cannabis Are More Likely to Use Nicotine, Too

People who use therapeutic cannabis are more likely to also use nicotine products than the general population, according to a new ...

Adolescents More Vulnerable to Cannabis Addiction but Not Other Mental Health Risks, Study Finds

Adolescents are over three times more vulnerable to developing a cannabis addiction than adults, but may not be at increased risk of other mental health problems related to the drug, according to a ...

Major Uptick Reported in Cannabis Vaping for All Adolescents

Cannabis vaping is increasing as the most popular method of cannabis delivery among all adolescents in the U.S., as is the frequency of cannabis vaping, according to ...

Four-Year College Students Drink More, Use Marijuana Less Than Community College Peers, Study Finds

Students at four-year colleges and universities drink nearly twice as much alcohol as their peers in two-year colleges, according to a survey of college students in the Seattle area. On the other ...

Fruit Snack or Edible? Study Finds Some Cannabis Products Look Like Popular Snacks

Some cannabis edibles look remarkably like popular snack foods and may be easily confused for them, finds a new ...

Brain Stimulation Shows Promise as Treatment for Cannabis Use Disorder in People With Schizophrenia

Repetitive transcranial magnetic stimulation (rTMS) was associated with a reduction in self-reported cannabis use by up to 60 per cent among people with schizophrenia who have cannabis use disorder ...

How Does Cannabis Use Affect Brain Health? Caution Advised, More Research Needed, Experts Say

Although recreational and medicinal marijuana (cannabis) is increasingly available across the U.S., public and professional awareness that cannabis use may adversely affect brain health is critical, ...

Cannabis Poisoning in Young Children Increased Nine Times After Legalization

Ontario saw nine times more emergency department visits per month for cannabis poisonings in young children under the age of 10 after Canada legalized recreational cannabis. While single hospitals ...

Marijuana Users’ Risk of Deadly Complication Doubles After Rare Type of Bleeding Stroke

成年人与某种类型的出血stroke, those who used marijuana within the last 3-30 days were more than twice as likely to develop a serious stroke complication that increases the risk ...

Breast Milk of Marijuana Users Does Not Hurt Short-Term Health of Early Premature Infants, Long-Term Effects Still Unknown

Researchers compared early preterm infants who were fed breast milk from THC-positive mothers to those who were fed either formula or breast milk from THC-negative mothers and found no differences in ...

‘The Mother of All Cannabinoids’: Anti-Seizure Compounds Discovered in Cannabis

Scientists have found that three rare cannabinoids reduce seizures in mice. They using the information to develop a better cannabis-based treatment for Dravet syndrome, an intractable childhood ...

Passage of Recreational Cannabis Laws Leads to Some Rise in Use but Not for All Demographics

The U.S. is seeing an increased use of cannabis resulting from its legalization for recreational purposes. The findings showed that passage of the laws led to a rise in the odds of past-year and ...

Smartphone Sensor Data Has Potential to Detect Cannabis Intoxication

A smartphone sensor, much like what is used in GPS systems, might be a way to determine whether or not someone is intoxicated after consuming marijuana, according to a new ...

Teens Who Use Cannabis Frequently More Likely to Have Premature Baby

Teenagers who use cannabis frequently may be more likely to have children born preterm, when they become parents up to twenty years later, finds a new study. The research repeatedly assessed 665 ...

Cancer Patients Use Less Marijuana Than General Public, Study Finds

A new study shows that between 2013 and 2018, as many U.S. states were legalizing recreational marijuana, cancer patients continued to abstain in large ...

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