Cannabis News and Research

Latest Cannabis News and Research

Lower grades for students who use both tobacco and cannabis, California survey reveals

A recent study published in The Journal of Pediatrics examines the odds of these outcomes when tobacco and cannabis are co-used after compensating for other risks.

18 Mar 2024

Δ-8-Tetrahydrocannabinol use among US teens climbs in states without regulation

Adolescent Δ8-THC use is notably high in the US, particularly in states without Δ8-THC regulations or marijuana legalization, emphasizing the need for enhanced policy and public health initiatives.

13 Mar 2024

Taking "study drugs" can lead to other drug use and decline in mental health

Taking "study drugs" like Adderall without a diagnosis is not only dangerous in itself, but can lead to other drug use and a decline in mental health, according to new research from Binghamton University, State University of New York.

11 Mar 2024

UCL study highlights misconceptions about vaping risks among English smokers

More than half of smokers in England wrongly believe that vaping is more harmful or as harmful as smoking, according to a new study led by UCL (University College London) researchers.

1 Mar 2024

Cannabis use linked to higher risk of heart attacks and strokes, study warns

A comprehensive study by the University of California links cannabis use to an increased risk of serious cardiovascular events, with higher usage correlating to greater risk, underscoring the need for awareness and caution among users.

29 Feb 2024

Study explores lifestyle factors linked to frequent headaches in youth

For children and teens, irregular meals such as skipped breakfasts are linked to an increased risk of frequent headaches, according to a new study published in the February 28, 2024, online issue of Neurology®, the medical journal of the American Academy of Neurology. The study also found that for those ages 12 to 17, substance use and exposure, specifically electronic cigarettes (e-cigarettes), were associated with frequent headaches.

29 Feb 2024

Cannabis users may be at higher risk of heart attack and stroke

An analysis of 430,000 adults in the U.S. found that using cannabis, most commonly through smoking, eating or vaporizing it, was significantly associated with a higher risk of heart attack and stroke, even after controlling for tobacco use (combustible cigarettes and other tobacco products) and other cardiovascular risk factors, according to new research published today in the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

28 Feb 2024

Heavy cannabis use linked to increased risk of developing a new anxiety disorder

Twenty-seven percent of individuals who had an emergency department visit for cannabis use developed a new anxiety disorder within three years, according to new research.

5 Feb 2024

Teen substance use tied to higher rates of depression, anxiety, and suicidal thoughts

High school students who reported using cannabis, alcohol, or nicotine were more likely to have thoughts about suicide, feel depressed or anxious, have unusual experiences, and exhibit inattention or hyperactivity, according to recent survey-based study conducted by researchers at Massachusetts General Hospital (MGH) and the University of Minnesota.

29 Jan 2024

Older drivers show evidence of impaired driving performance after smoking cannabis, even if they regularly use cannabis

Researchers investigated the association between cannabis, simulated driving, and concurrent blood tetrahydrocannabinol (THC) levels in older adults.

22 Jan 2024

In this Oklahoma town, most everyone knows someone who’s been sued by the hospital

It took little more than an hour for Deborah Hackler to dispense with the tall stack of debt collection lawsuits that McAlester Regional Medical Center recently brought to small-claims court in this Oklahoma farm community.

19 Jan 2024

CGRP antagonists and dietary changes show promise for migraine treatment

Review in "Medicina" explores advancements in migraine therapy, highlighting the role of CGRP antagonists and dietary interventions like ketogenic and low-glycemic diets in reducing migraine frequency and severity.

17 Jan 2024

Study unveils how cannabis affects brain's feeding center

While it is well known that cannabis can cause the munchies, researchers have now revealed a mechanism in the brain that promotes appetite in a set of animal studies at Washington State University.

16 Jan 2024

Study reports a prominent increase in substance use and cardiovascular disease‐related mortality in the United States between 1999 and 2019

Researchers evaluated trends in substance use and cardiovascular disease-related mortality in the United States using Centers for Disease Control and Prevention data.

12 Jan 2024

Taking medical cannabis for chronic pain linked to increased risk of arrhythmia

People taking medical cannabis for chronic pain have a slightly increased risk of arrhythmia, according to research published in the European Heart Journal today (Thursday). Arrhythmia is when the heart beats too slowly, too quickly or irregularly. It includes conditions like atrial fibrillation.

10 Jan 2024

Cardiovascular disease deaths tied to substance use jump 4% per year from 1999 to 2019

Cardiovascular disease deaths involving substance use rose an average of 4% per year from 1999 to 2019, despite a drop in overall cardiovascular disease deaths, according to new research published today in the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

10 Jan 2024

Mount Sinai study provides a mechanistic explanation for variations in individual responses to drugs

Mount Sinai researchers have shown for the first time that a person's beliefs related to drugs can influence their own brain activity and behavioral responses in a way comparable to the dose-dependent effects of pharmacology.

3 Jan 2024

Unlocking the appetite-stimulating secrets of cannabis through rodent brain studies

Study reveals that cannabinoid-1 receptor-expressing neurons in the mediobasal hypothalamus play a key role in the appetite-stimulating effects of inhaled cannabis in rodents, offering insights into potential treatments for anorexia.

2 Jan 2024

Widespread cannabis use linked to increase in psychiatric disorders, UMSOM review finds

The widespread use of cannabis (marijuana) and its increased potency are associated with a rise in cannabis-related psychiatric conditions, according to a new University of Maryland School of Medicine (UMSOM) review article that was recently published in the New England Journal of Medicine.

19 Dec 2023

SMU study explores substance use motivations and concerns in young psychotics

A new study led by SMU medical and psychological anthropologist Neely Myers indicates that while young people diagnosed with early psychosis understand the importance of discontinuing use of substances like cannabis, many are ambivalent about stopping.