Cannabis News and Research

Latest Cannabis News and Research

Study suggests the need for more education and screening of older adults for cannabis-related risks

More older Americans use cannabis now than before the pandemic, with 12% saying they've consumed a THC-containing substance in the past year and 4% saying they do so multiple times a week, according to a new study of people aged 50 to 80.

1 Dec 2023

Study exposes widespread inaccuracies in cannabidiol product labeling

Study reveals significant discrepancies in the labeled and actual cannabidiol content in various commercial products, highlighting a major quality control issue.

30 Nov 2023

Cannabis and alcohol co-use disrupts brain development and impairs memory

The increased legalization of cannabis over the past several years can potentially increase its co-use with alcohol. Concerningly, very few studies have looked at the effects of these two drugs when used in combination.

30 Nov 2023

Study finds no evidence to suggest cannabis reduces illicit opioid use

A 20-year Australian study has found no evidence to suggest cannabis reduces illicit opioid use, and it may not be an effective long-term method of reducing harm for those with an opioid use disorder or problematic use of opioids.

29 Nov 2023

Latest scientific findings provide new insights into heart and stroke health

More than 4,000 abstracts were presented during the American Heart Association's Scientific Sessions 2023 and Resuscitation Science Symposium 2023, held earlier this month in Philadelphia.

28 Nov 2023

Cannabis vaping linked to increased use of other substances, study finds

Short communication paper examines the link between cannabis vaping and the use of other substances, comparing cannabis vape users to non-vaping cannabis users. It reveals that cannabis vapers are more likely to use other substances like alcohol, tobacco, and illicit drugs, especially among younger demographics.

26 Nov 2023

Genome study unveils genetic ties between cannabis use disorder and lung cancer risk

A genome-wide association study in Nature Genetics reveals insights into the genetics of cannabis use disorder, highlighting its strong association with psychopathology and a causal link to lung cancer, and suggesting distinct genetic pathways from mere cannabis use.

23 Nov 2023

Significant genetic variations linked to cannabis use disorder identified in major global ancestries

Multi-ancestry genome-wide association study of cannabis use disorder.

22 Nov 2023

Genomic study sheds light on the underlying biology of cannabis use disorder

A Yale-led analysis of the genomes of more than 1 million people has shed light on the underlying biology of cannabis use disorder and its links to psychiatric disorders, abuse of other substances such as tobacco, and possibly even an elevated risk of developing lung cancer.

20 Nov 2023

Prenatal cannabis exposure increases risk of adverse birth outcomes, study finds

Infants prenatally exposed to cannabis are more likely to be born preterm, have a low birth weight, and require neonatal intensive care unit (NICU) care than infants without prenatal cannabis exposure, according to a study published today in the scientific journal Addiction.

16 Nov 2023

Does regular cannabis use affect motor skills?

A study in Human Brain Mapping reveals that regular cannabis use alters the neural dynamics of motor control, showing that while cannabis users perform tasks with similar accuracy and reaction time as non-users, their brains exhibit stronger β-ERD responses during task execution, potentially indicating compensatory neural mechanisms.

15 Nov 2023

Cannabis shows promise in easing endometriosis pain, new research suggests

The Journal of Clinical Medicine review explores cannabis as a self-management strategy for endometriosis pain, revealing its potential to reduce gut inflammation and improve gut permeability, thereby alleviating bloating and suppressing pain through interactions with the endocannabinoid system and gut microbiota.

14 Nov 2023

Does cannabis use impact the risk of glaucoma? New study investigates

The study in Scientific Reports finds no significant association between cannabis use and the risk of primary open-angle glaucoma, challenging the notion that cannabis could influence intraocular pressure and glaucoma risk.

14 Nov 2023

Cannabis and derivatives show promise in reducing weight and waist circumference, with nuanced effects on body fat

The study in the International Journal of Obesity reports that cannabis and its derivatives may influence weight and waist circumference, with different effects on body fat, suggesting potential as a therapeutic aid in obesity management.

8 Nov 2023

Cannabis use alters DNA methylation, with implications beyond smoking effects

A large-scale meta-analysis in Molecular Psychiatry reveals that lifetime cannabis use is associated with DNA methylation changes in peripheral blood, which could have implications for understanding the long-term health effects of cannabis consumption.

8 Nov 2023

Regular marijuana use may raise the risk for heart failure, stroke or heart attack

Using marijuana regularly may raise the risk for heart failure, stroke or heart attack even after accounting for other cardiovascular risk factors such as Type 2 diabetes, high blood pressure and obesity, according to two preliminary studies to be presented at the American Heart Association's Scientific Sessions 2023.

6 Nov 2023

E-cigarette flavor restrictions may increase cigarette sales, study finds

The immense popularity of electronic cigarettes, or e-cigarettes, among young people has led many policymakers to restrict the sale of flavored varieties.

18 Oct 2023

Can herbal remedies, spices, and dietary fibers offer effective treatment options for children with irritable bowel syndrome (IBS)?

The positive effects and adverse reactions of spices, dietary fiber, and medicinal herbs for pediatric patients with IBS.

16 Oct 2023

Experts call for action as male infertility increases worldwide

Infertility now affects one in six couples of reproductive age according to the World Health Organisation. About half the time, it originates from men.

13 Oct 2023

Cannabis legalization leads to surprising shifts in youth usage patterns

This JAMA Network Open study examines the impact of cannabis legalization on high-risk young adults in Ontario, Canada, revealing mixed results. While frequent users reduced their cannabis use post-legalization, leading to fewer adverse consequences, those who were non-users before legalization slightly increased their use over time.

2 Oct 2023