Cannabis News and Research

Latest Cannabis News and Research

Cannabis use found to raise heart attack risk among younger adults

Marijuana is now legal in many places, but is it safe? Two new studies add to mounting evidence that people who use cannabis are more likely to suffer a heart attack than people who do not use the drug, even among younger and otherwise healthy adults.

18 Mar 2025

UN Commission on Narcotic Drugs places six substances under international control following WHO recommendations

Following recommendations by the World Health Organization (WHO), the United Nations Commission on Narcotic Drugs (CND) has decided to place five new psychoactive substances and one medicine under international control.

14 Mar 2025

Maternal cannabis use disorder linked to increased risk of child behavioral disorders

Researchers determine how maternal cannabis use disorder during and after pregnancy impacts the child’s behavior.

11 Mar 2025

Teen births linked to lower infant birth weight

At a time when the number of teens having babies in the Mountain State remains higher than the national average, maternal and child health researchers at West Virginia University found these infants have a lower birth weight and are smaller for their gestational age compared to those born to adults.

10 Mar 2025

How tobacco and cannabis affect male fertility and genetic integrity

A study reveals cannabis and tobacco use harm sperm quality and DNA integrity, with cannabis causing greater damage, raising concerns for reproductive health.

6 Mar 2025

Maternal cannabis use linked to increased risk of behavioral problems in children

Children exposed to their mother's cannabis use during pregnancy and after birth are three times more likely to develop behavioral problems, new Curtin University research has found.

6 Mar 2025

Nearly 17 million children affected by parental substance use disorders in the U.S

Nearly 17 million children and adolescents in the United States are estimated to live with a parent who has a substance use disorder, according to a study led by Texas State University, University of Michigan and Wayne State University.

4 Mar 2025

CBD boosts endurance in mice by reshaping gut bacteria and enhancing muscle performance

Study shows that cannabidiol (CBD) enhances endurance exercise in mice by reshaping gut microbiota, boosting mitochondrial function, and altering muscle fiber composition for improved performance.

20 Feb 2025

Research highlights burden of cannabinoid hyperemesis syndrome

A new study analyzes the disease burden and the risk factors for severity among people who suffer from a condition called cannabinoid hyperemesis syndrome.

20 Feb 2025

Cancer survivors with pain more likely to use non-opioid substances

Experiencing pain may increase the odds that cancer survivors will use cigarettes and cannabis, according to a recent study published by Wiley online in CANCER, a peer-reviewed journal of the American Cancer Society.

14 Feb 2025

New project aims to measure nicotine use through sewage

University of California, Merced's Nicotine and Cannabis Policy Center has embarked on an innovative partnership with researchers at the university who track an entire community's health and habits with samples of human sewage.

11 Feb 2025

Pain may lead to increased cigarette and cannabis use in cancer survivors

10 Feb 2025

Dispensary warning signs about cannabis use during pregnancy found ineffective

Warning signs at dispensaries about the potential health effects of cannabis use in pregnancy may not be effective, according to a new report in the Journal of Studies on Alcohol and Drugs, based at Rutgers University.

6 Feb 2025

Cannabis use during pregnancy linked to impaired fetal growth

Cannabidiol (CBD), the component in cannabis often used for therapeutic treatments, is increasingly being used during pregnancy as a means of managing symptoms such as nausea, anxiety and sleep.

6 Feb 2025

Rising cannabis use disorder cases contribute to growing schizophrenia diagnoses

The proportion of new cases of schizophrenia associated with a cannabis use disorder has risen from 4% pre-legalization to 10% after cannabis legalization in Ontario, according to new research.

5 Feb 2025

Study explores the effects of recent and lifetime cannabis use on brain function

A new study published today in JAMA Network Open explores the effects of both recent and lifetime cannabis use on brain function during cognitive tasks.

28 Jan 2025

Study shows long-term cannabis use disrupts critical brain processes

Heavy lifetime cannabis use is associated with reduced brain activation in key cognitive regions, particularly during working memory tasks, while recent use may cause temporary cognitive impairments.

28 Jan 2025

Global cannabis boom brings unexpected cardiovascular risks to light

This review examines the cardiovascular risks associated with cannabis, revealing its potential to cause severe heart health issues and inform public policy.

27 Jan 2025

Cannabis smoke at home linked to secondhand exposure in children

The study links in-home cannabis smoking to elevated THC levels in children, highlighting the need for interventions to reduce secondhand exposure risks.