Cannabis News and Research

Latest Cannabis News and Research

Synthetic Psychedelics: A Growing Public Health Concern

In this interview, Jonathan Ferguson discusses how knowledge of an emerging public health concern identified at Pittcon 2024 has evolved a year on.

From Pittcon 26 Aug 2025

OU researchers explore how cannabis use affects recovery after head and neck cancer surgery

University of Oklahoma researchers are conducting a first-of-its-kind study to determine whether cannabis use affects recovery from the wounds associated with head and neck cancer surgery. The outcomes may have implications for other types of surgery and conditions.

12 Aug 2025

Cherokee Nation Behavioral Health and Emory team up to prevent youth substance use

While overdose deaths in the U.S. sharply declined in 2024, they remain high. Almost 90,000 Americans died from drug overdoses between October 2023 and September 2024.

6 Aug 2025

Cannabis use disorder triples five-year risk of oral cancer

Research shows cannabis use disorder triples the risk of oral cancer, challenging perceptions of cannabis safety and prompting calls for health screenings.

5 Aug 2025

Dual tobacco use: Examining patterns in Hispanic and non-Hispanic Black men with chronic illness

Cannabis use is gaining popularity in the United States, driven by growing legalization, public acceptance and diverse methods of consumption.

4 Aug 2025

High potency cannabis tied to greater use and risk in US youth

A new study published today in the scientific journal Addiction has found that young adults in the US do not 'titrate' when using strong cannabis.

1 Aug 2025

Women who drink heavily face higher chance of unintended pregnancy

A new study has found that, among women with a high desire to avoid becoming pregnant, those who drank heavily had a 50% higher risk of becoming pregnant than those who drank moderately or not at all.

31 Jul 2025

Oral cancer risk triples among individuals with cannabis use disorder

A recent study by researchers at the University of California San Diego School of Medicine has found that individuals with cannabis use disorder (CUD) are more than three times more likely to develop oral cancer within five years compared to those without CUD.

29 Jul 2025

Cannabis and psychedelics rated most effective for symptom relief by eating disorder patients

A pioneering international survey of people living with eating disorders has found that cannabis and psychedelics, such as 'magic mushrooms' or LSD, were best rated as alleviating symptoms by respondents who self-medicated with the non-prescribed drugs.

22 Jul 2025

Low treatment completion rates hinder recovery for teens with cannabis use disorder

Cannabis use disorder in adolescents in the United States remains a growing threat despite declines in cannabis use.

22 Jul 2025

Adding anxiety to Pennsylvania's medical cannabis program changes patient demographics

Within months of Pennsylvania's medical cannabis program adding anxiety as a qualifying condition, that diagnosis quickly rose to become the most common for cannabis certifications, according to a study by researchers at the University of Pittsburgh and Johns Hopkins University. The study was published today in Annals of Internal Medicine.

8 Jul 2025

Adolescent vaping of THC, CBD and synthetic cannabinoids rises sharply between 2021 and 2023

Novel research has revealed that adolescent vaping of current delta-9-tetrahydrocannabinol (THC), cannabidiol (CBD), and synthetic cannabinoids (SCs) has increased between 2021 and 2023.

2 Jul 2025

Friends and social media drive teen vaping trends

Young people with friends who vape are 15 times more likely to use e-cigarettes, and more adolescents are turning to illicit cannabis products, University of Queensland research has found.

1 Jul 2025

Cannabis smoking changes your DNA, leaving epigenetic scars

Long-term, persistent weekly or more frequent cannabis smoking leaves a distinct and partially reversible epigenetic footprint on blood DNA. These methylation changes strongly overlap with those from tobacco and may serve as biomarkers of smoke exposure.

30 Jun 2025

Social media content exposure linked to teen vaping and cannabis use

Teens who see social media posts showing cannabis or e-cigarettes, including from friends and influencers, are more likely to later start using those substances or to report using them in the past month, according to surveys done by researchers at the Keck School of Medicine of USC.

24 Jun 2025

Cannabidiol may help reduce problematic behaviors in autistic boys

Researchers at the Center for Medicinal Cannabis Research at University of California San Diego School of Medicine have found that cannabidiol (CBD), a non-intoxicating compound found in cannabis, could help reduce problematic behaviors in autistic boys.

23 Jun 2025

OU researchers launch innovative study to track e-cigarette habits in young adults

Electronic cigarettes, or vapes, are widely used and available in hundreds of different types and flavors, yet researchers lack information about the everyday e-cigarette habits of young adults.

18 Jun 2025

Cannabis use associated with increased risk of stroke and heart attacks

Cannabis use is linked to a doubling in the risk of dying from cardiovascular disease, with significantly heightened risks of having a stroke or acute coronary syndrome-sudden reduced or blocked blood flow to the heart-finds a pooled analysis of real world data, published online in the journal Heart.

18 Jun 2025

As cannabis users age, health risks appear to grow

Benjamin Han, a geriatrician and addiction medicine specialist at the University of California-San Diego, tells his students a cautionary tale about a 76-year-old patient who, like many older people, struggled with insomnia.

9 Jun 2025

Teens who smoke or vape are more likely to use cannabis, study finds

German adolescents who use cigarettes or e-cigarettes are at higher risk for cannabis use, underscoring the need for effective school-based prevention programs.

5 Jun 2025