Cannabis

The three main species typically recognized within the Cannabis sativa L. family include Cannabis sativa, Cannabis indica and Cannabis ruderalis. The most well-known compounds found within the cannabis plant are THC, cannabidiol (CBD) and cannabinol (CBN).

CBD Oil: Health Benefits and Risks

There is a growing interest in CBD as a potential drug in the treatment of a wide spectrum of neurologic and neuropsychiatric disorders. However, caution must be taken.

Synthesizing Cannabis from Yeast

Cannabis Use and Acute Myocardial Infarctions in Young People

Cannabis and Psychosis

Does Smoking Cannabis Indoors Affect Children's Health?

Health Effects of Eating Cannabis (Marijuana)

Does CBD Oil Work for Arthritis Pain?

The Potential Advantages of Patient-Directed Cannabis Therapy

Can Cannabis Use Alter Sperm DNA?

Hemp Seed Oil Health Benefits

Using a Portable Raman Spectrometer for Detection of THC

Latest Cannabis News and Research

UCLA awarded major state funding to advance comprehensive cannabis research

UCLA has received four grants totaling $7.3 million from the California Department of Cannabis Control (DCC) to support research on a broad range of topics, from the therapeutic potential of cannabinoids to the cardiovascular risks of cannabis use and strategies for addressing California's unregulated cannabis market.

8 Jan 2026

Marijuana use associated with worse school performance and emotional distress for teens

Using marijuana just once or twice a month was associated with worse school performance and emotional distress for teens, according to a large national study of adolescents led by Ryan Sultán, an assistant professor of clinical psychiatry at Columbia University Vagelos College of Physicians and Surgeons.

23 Dec 2025

THC products provide small improvements in pain but carry side effects

A new systematic evidence review finds that cannabis products that carry relatively high levels of the psychoactive compound tetrahydrocannabinol, commonly known as THC, may provide short-term improvements in pain and function.

22 Dec 2025

Raising the drinking age cuts teen drinking and boosts test scores

Stricter minimum legal drinking age laws in Spain are linked to reduced adolescent alcohol use and better academic outcomes, benefiting student well-being.

19 Dec 2025

Cannabis use alters sleep stages in people with chronic pain

The most frequently reported reasons for medicinal cannabis use are for pain relief and improvements in sleep.

17 Dec 2025

Cannabis and nicotine co-use is widespread among young adults

Simultaneous use of cannabis with nicotine and tobacco products is common among cannabis users-particularly those who vape-according to a new study from Columbia University Mailman School of Public Health.

16 Dec 2025

Higher minimum drinking age linked to better grades and mental health

Despite a downward trend in alcohol consumption, drinking rates among European teenagers remain notably high by international standards.

16 Dec 2025

Two compounds sourced from cannabis show promising anti-cancer effects

In the future, scientists could use drugs made from cannabis to fight ovarian cancer. A team of scientists testing the effects of two chemical compounds sourced from cannabis on ovarian cancer cells have found that both show promising anti-cancer effects.

15 Dec 2025

Varenicline helps young people quit nicotine vaping regardless of cannabis use

Adolescent and young adult nicotine vaping has become an urgent public health concern, as 2024 marked the first year that nicotine vaping was the most initiated drug.

12 Dec 2025

Massive genetics study shows what truly separates and unites 14 psychiatric disorders

This large-scale genomic analysis of 14 psychiatric disorders shows that most heritable risk is shared across five broad genetic factors, with only limited disorder-specific variation. The study maps where risks converge or diverge biologically, revealing distinct cell type signatures and developmental pathways that may guide future diagnostic and therapeutic frameworks.

12 Dec 2025

Shared genetic roots of 14 psychiatric disorders revealed

Researchers from the Psychiatric Genomics Consortium (PGC) report that most genetic influences on mental illness are shared across diagnostic categories, revealing a more interconnected biological landscape than traditional classifications suggest.

11 Dec 2025

Prevention efforts for cannabis-impaired driving should also focus on older adults

With cannabis-related vehicle crashes on the rise, a new study suggests that prevention campaigns shouldn't focus just on young people.

9 Dec 2025

Understanding the heterogeneity in nicotine, tobacco, and cannabis use among young Americans

Young Americans use nicotine, tobacco and cannabis in multiple ways, but smoking those items––the most dangerous method––is still involved for most users, a new University of Michigan study found.

8 Dec 2025

NYS Medical Cannabis Program reduces chronic pain patients' reliance on opioids

Adults with chronic pain who participated in New York State's (NYS) Medical Cannabis Program were significantly less likely to require prescription opioids, according to a new study published today in JAMA Internal Medicine and led by researchers at Albert Einstein College of Medicine and Montefiore Health System.

8 Dec 2025

Study links cannabis legalization to sharp rise in adolescent psychiatric emergencies

In November 2018, retailers in Massachusetts began selling recreational cannabis to adults 21 years and older.

3 Dec 2025

Medical cannabis evidence falls short for most conditions

Medical cannabis lacks adequate scientific backing for most of the conditions it is commonly used to treat, including chronic pain, anxiety and insomnia, according to a comprehensive review led by UCLA Health.

3 Dec 2025

Hallucinogen-related hospital care linked to higher risk of future mania

People who have received emergency or hospital care in Canada due to hallucinogen use have a six-fold increased risk of receiving care for mania in the next three years, according to a study published December 2nd in the open-access journal PLOS Medicine by Daniel Myran from North York General Hospital in Canada and colleagues.

2 Dec 2025

Advances in screening and therapeutics make lung cancer treatable, survivable

For decades, lung cancer has been associated with stigma, anxiety, and loss. Advances in screening, therapeutics, and survivorship have created a new reality; lung cancer is treatable, survivable, and increasingly understood as a chronic disease for many.

1 Dec 2025

Genetic signals reveal why erectile dysfunction develops and who is most at risk

This multi-ancestry genomic study identifies key genetic loci underlying erectile dysfunction and shows that ED risk is shaped by both cardiometabolic and substance use–related genetic pathways. Using EHR-linked data, the researchers uncover SIM1-related mechanisms, modest PRS performance, and bidirectional genetic links with obesity, diabetes, and addiction traits.

25 Nov 2025

Study suggests cannabis may temporarily curb alcohol consumption

The "California sober" trend, which involves ditching alcohol in favor of cannabis, is gaining momentum, spreading from Hollywood to health influencers to homes across America.

21 Nov 2025