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

Hemp Seed Oil Health Benefits

Can Cannabis Use Alter Sperm DNA?

Using a Portable Raman Spectrometer for Detection of THC

Cannabis and Psychosis

Does CBD Oil Work for Arthritis Pain?

Health Effects of Eating Cannabis (Marijuana)

The Potential Advantages of Patient-Directed Cannabis Therapy

Cannabis Use and Acute Myocardial Infarctions in Young People

Does Smoking Cannabis Indoors Affect Children's Health?

Latest Cannabis News and Research

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

ADHD symptoms linked to earlier substance use in young sexual minority men

Young sexual minority men – a term used to describe gay, bisexual, and other men who have sex with men – with attention-deficit/hyperactivity disorder (ADHD) symptoms are more likely to begin using substances such as cigarettes, alcohol, cannabis, stimulants and illicit drugs at an earlier age, according to Rutgers Health researchers.

13 Nov 2025

Drinking coffee can protect against atrial fibrillation

Drinking coffee can protect against atrial fibrillation (A-Fib), a common heart rhythm disorder that causes rapid, irregular heartbeat and can lead to stroke and heart failure.

10 Nov 2025

Harnessing nanotechnology to deliver CBD to the brain for neuropathic pain relief

Reaching for CBD-infused lotion or oil may seem like a low-risk way to find pain relief, but little is actually known about the impact that CBD has on the nervous system.

7 Nov 2025

Low-dose THC mitigates harmful side effects and inflammation caused by HIV treatment

Long-term, low doses of THC mitigate many harmful side effects and inflammation caused by HIV and antiretroviral therapy (ART), according to new research from Texas Biomedical Research Institute.

6 Nov 2025

Living near cannabis stores linked to more frequent use and less heavy drinking

A statewide study of more than 60,000 adult Oregonians shows that living near cannabis retail stores is associated with a greater tendency toward frequent cannabis use but a lower likelihood of heavy alcohol consumption.

4 Nov 2025

Daily vaping and failed quit attempts rise sharply among U.S. youth

Since 2019, overall rates of nicotine vaping have declined among U.S. youth, but those who continue to vape are showing signs of worsening addiction, according to new USC research.

3 Nov 2025

Cannabis use now linked to increased risk of regular tobacco use in US youth

Teens and young adults who use cannabis are more likely to become regular tobacco users – even if they haven't previously tried tobacco – compared to similar people who do not use cannabis, suggests a US study published online in the journal Tobacco Control.

23 Oct 2025

Cannabis and tobacco co-use linked to shifts in brain's 'bliss molecule'

People who use both cannabis and tobacco show distinct brain changes compared to those who use cannabis alone, according to a new study led by McGill University researchers at the Douglas Research Centre.

21 Oct 2025

Caraway seeds inspire new seizure-fighting medicines

A UNLV-led team of researchers has co-opted a common kitchen spice to create a new class of cannabidiol (CBD)-like medicines that show powerful seizure-reducing effects - offering a safer, more affordable, and more effective treatment for childhood seizure disorders than existing frontline therapies.

15 Oct 2025

Global drug addiction mortality rates double despite fewer new cases

The global drug use disorder deaths have more than doubled since 1990, even as new addiction cases declined, highlighting a widening gap in harm reduction and treatment access, especially in wealthy nations.

15 Oct 2025

Genetic study reveals links between cannabis use and mental health

University of California San Diego of Medicine researchers, in collaboration with the genetic testing company 23andMe, have identified regions of the human genome associated with cannabis use, uncovering new relationships with psychiatric, cognitive and physical health.

13 Oct 2025

From stress to susceptibility: how COVID lockdowns shaped teen vaping risk

Teenagers who experienced higher COVID-19 stress during remote schooling were more likely to become open to trying vaping, which significantly increased their odds of using e-cigarettes and cannabis two years later. The study reveals that susceptibility, not immediate use, was the critical pathway linking early stress to later vaping behaviors.

12 Oct 2025