Tetrahydrocannabinol News and Research

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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.

27 Jan 2025

Boosting endocannabinoids could reduce opioid addiction risk

Increasing the levels of chemicals naturally produced in the body called endocannabinoids may thwart the highly addictive nature of opioids such as morphine and oxycodone while maintaining the drugs' ability to relieve pain, according to Weill Cornell Medicine investigators working with researchers from The Center for Youth Mental Health at NewYork-Presbyterian.

2 Dec 2024

Alcohol use found to be major factor in cannabis vaping among youth and young adults

Alcohol use was the most common predictor of escalating cannabis vaping among youth and young adults, independent of demographic factors, according to research by UTHealth Houston published this month in the journal Social Science & Medicine.

23 Nov 2024

Prenatal cannabis exposure linked to increased risk of opioid addiction later in life

With the increased legalization of recreational cannabis, as many as 1 in 5 pregnant women in the U.S. are now using the drug to help with morning sickness, lower back pain or anxiety.

14 Nov 2024

Cannabinol enhances sleep in rats, study shows

Research by scientists at the University of Sydney has identified a constituent in the cannabis plant that improves sleep.

11 Nov 2024

Cannabis use linked to thinning cerebral cortex in adolescents

Cannabis use may lead to thinning of the cerebral cortex in adolescents according to a recent study led by Graciela Pineyro and Tomas Paus, researchers at CHU Sainte-Justine and professors at the Université de Montréal Faculty of Medicine.

23 Oct 2024

DNA changes from high potency cannabis use may signal psychosis risk

Published in Molecular Psychiatry, this is the first study to suggest that the use of high potency cannabis leaves a distinct mark on DNA, providing valuable insights into the biological impact of cannabis use.

15 Oct 2024

Decoding Cannabis: Differentiating Hemp and Marijuana

In this interview conducted at Pittcon 2024 in San Diego, Rabi Musah delves into her innovative use of DART-HRMS and chemometric analysis to differentiate between hemp and marijuana varieties of Cannabis sativa, exploring the forensic and legal implications of these findings.

From Pittcon 10 Oct 2024

Lithium aspartate fails to improve long COVID symptoms, but higher doses may hold promise

Lithium aspartate at 10-15 mg/d is ineffective for treating cognitive dysfunction and fatigue in long COVID, but higher doses may offer potential benefits based on a small follow-up study.

3 Oct 2024

Trends in cannabis use among older adults in Michigan

Research indicates a surge in cannabis use among older Michiganders, emphasizing health benefits, driving risks, and the importance of provider communication.

17 Sep 2024

Cannabidiol shows promise in treating cognitive disorders

Research reviews the therapeutic potential of cannabidiol (CBD) in treating cognitive impairments, highlighting positive effects in some trials while emphasizing the need for more comprehensive studies.

12 Sep 2024

Study reveals slight increase in ADHD risk from prenatal cannabis exposure

A new study reveals nuanced findings on the neuropsychiatric risks of prenatal cannabis exposure. The research found a slight increase in the risk of ADHD and a heightened vulnerability to cannabis use in offspring.

3 Sep 2024

Long-term low-dose cannabis reverses brain aging in mice

A low-dose long-term administration of cannabis can not only reverse aging processes in the brain, but also has an anti-aging effect.

22 Aug 2024

Does cannabis use disorder increase the risk of head and neck cancer?

Researchers determine whether cannabis use disorder increases the risk of head and neck cancer.

12 Aug 2024

Cannabigerol shows promise in reducing anxiety and stress, study finds

Whether the phytocannabinoid cannabigerol impacted mood, stress, and anxiety and caused any related adverse effects of cognitive or motor impairment.

5 Aug 2024

Cannabigerol shows promise in reducing anxiety and enhancing memory without side effects

Researchers at Washington State University found that cannabigerol (CBG) reduces anxiety and improves verbal memory without causing intoxication or impairments in healthy adults.

15 Jul 2024

Maternal cannabis use disorder linked to higher autism risk in children, study finds

A study in Psychiatry Research reveals that maternal cannabis use disorder significantly increases the risk of autism spectrum disorder (ASD) in offspring. The risk is 3.5 times higher for children exposed to cannabis during the prenatal period.

23 May 2024

Study reveals soaring rates of adolescent daily e-cigarette use

Electronic vapor products (EVPs), also known as e-cigarettes or vaping devices, have an allure because of their marketed image as a safer alternative to traditional cigarette smoking and for their variety of appealing flavors.

13 May 2024