Cannabidiol

This hub presents a comprehensive collection of articles examining cannabinoids, including cannabidiol (CBD) and tetrahydrocannabinol (THC), and their roles in medicine, pharmacology, and public health. Explore in-depth comparisons of CBD and THC, the science behind cannabinoid absorption and metabolism, and the therapeutic applications and risks associated with cannabis-derived compounds. The articles also address quality and safety considerations, such as potential contaminants, drug testing, and analytical techniques. Further topics include the immunological effects of cannabinoids, their influence on neurological and psychiatric conditions, and broader perspectives on plant-based medicines. This curated resource supports healthcare professionals, researchers, and the public in understanding the evolving science and clinical implications of cannabinoids.

Differences Between Cannabidiol (CBD) and Tetrahydrocannabinol (THC)

Both cannabidiol (CBD) and Δ-9-tetrahydrocannabinol (THC) are found in cannabis and are the best investigated cannabinoids. However, there are significant differences between them with regards to potency.

Plant-Based Drugs and Medicines

Does Diet Affect CBD Absorption?

CBD Oil: Health Benefits and Risks

Phytocannabinoids

Measuring Cannabinoid Content in Seized Cannabis Samples

Potential Contaminants in CBD and THC Oils

Obesity Prevalence Among Cannabis Users

Can CBD be Used to Treat Drug Addiction?

The Immunological Effects of Cannabinoids

Can CBD Oil Be Used to Treat Epilepsy?

Does CBD Oil Work for Arthritis Pain?

See more featured articles »

What are Cannabinoids?

Therapeutic Uses of Cannabis

A Failed Cannabis Hair Test - How Topical Application Results in Cannabinoid Incorporation

GC-MS Analysis of CBD and THC

Can CBD be Used to Prevent or Treat Psychosis?

Latest Cannabidiol News and Research

Hemp seeds: The surprisingly complete protein hiding in plain sight

Researchers reviewed the nutritional and functional potential of industrial hemp seeds, highlighting their complete protein, healthy fat, and fiber content. The review outlines how processing innovations and market forces could make hemp a leading ingredient in plant-based and functional foods.

24 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

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

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

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

Salk researchers create detailed genetic atlas of cannabis to date

Cannabis has been a globally important crop for millennia. While best known today as marijuana for its psychoactive cannabinoid THC (tetrahydrocannabinol), historically, cannabis has been a cornerstone of human civilization, providing seed oil, textiles, and food for more than 10,000 years.

29 May 2025

Cannabis extract can improve behavior of children and teens with autism spectrum disorder

New research presented at the 2025 European Congress of Psychiatry reveals that the use of cannabidiol (CBD) cannabis extract can lead to meaningful benefits and improve the behavior of children and adolescents with autism spectrum disorder (ASD).

8 Apr 2025

New cannabis formula will help epilepsy, multiple sclerosis sufferers

Scientists at the University of South Australia have come up with an innovative solution to improve the effectiveness of cannabidiol to treat epilepsy, multiple sclerosis and other neurodegenerative diseases.

20 Mar 2025

Breakthrough in cannabidiol formulation improves treatment for epilepsy and MS

19 Mar 2025

How the FDA lets chemicals pour into America’s food supply

Joseph Shea, who sells athletic wear in Myrtle Beach, South Carolina, wonders and worries about the food he eats.

10 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

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

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

CBD can be used safely in women with advanced breast cancer and clinical anxiety

This Phase II trial explores CBD for anxiety in breast cancer patients, indicating safety and potential anxiolytic effects despite no primary outcome success.

18 Dec 2024

Researchers investigate CBD's effect on scan-related anxiety in breast cancer patients

The findings showed that CBD did not significantly change scan-related anxiety when compared to a placebo, but researchers did find that CBD was safe and resulted in significantly lower overall anxiety levels.

16 Dec 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

Cannabidiol shown to extend lifespan and improve symptoms in Leigh syndrome models

A study led by the UAB Institut de Neurociències and published in the journal Nature Communications demonstrates in animal models how daily administration of cannabidiol (CBD), a substance obtained from the cannabis plant, extends lifespan and improves symptoms associated with Leigh syndrome.

6 Sep 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