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cannabis

·December 11, 2025·7 min read

Stress Levels Predict Cannabis Use

New research shows that rats with naturally higher baseline stress hormone levels are significantly more likely to self-administer cannabis vapor. Over several weeks, rats were allowed to nose-poke for cannabis, and those with elevated corticosterone displayed the strongest drug-seeking behavior.

Featured Neuroscience Psychology

·November 28, 2025·7 min read

CBD Can Reduce Aggression in Dogs

A massive multi-year analysis of tens of thousands of dogs reveals that CBD use is becoming increasingly common among aging companion animals. While dogs given CBD initially showed higher aggression, their aggression decreased below average levels with long-term use.

This shows a person holding a joint and a glass of scotch.

Featured Neuroscience Psychology

·November 19, 2025·7 min read

Cannabis Blunts Alcohol Cravings

A randomized, placebo-controlled trial shows that cannabis with active THC reduces immediate alcohol cravings and lowers drinking levels in heavy-drinking young adults. After smoking THC, participants not only drank less, they waited longer before taking the first sip and reported lower urges to drink.

Featured Neurology Neuroscience Pain

·November 7, 2025·5 min read

Nano Tech Helps CBD Quiet Pain at the Source

A new study shows that CBD delivered through a nano-micelle system can cross the blood–brain barrier and produce rapid neuropathic pain relief. The formulation, called CBD-IN, helped mice within 30 minutes and avoided the motor and cognitive side effects often seen with conventional pain drugs.

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Featured Neuroscience

·October 21, 2025·5 min read

Tobacco and Cannabis Together Alter Brain’s “Bliss Molecule” System

People who use both cannabis and tobacco show unique brain chemistry linked to higher anxiety, depression, and difficulty quitting. Brain scans revealed increased levels of FAAH, an enzyme that breaks down the brain’s “bliss molecule,” anandamide.

Featured Genetics Neuroscience Psychology

·October 13, 2025·7 min read

Genes Linked to Cannabis Use Reveal Ties to Mental Health

Researchers analyzing data from over 130,000 participants have identified specific genes associated with cannabis use and its frequency, revealing strong links to psychiatric, cognitive, and physical health traits. The genes CADM2 and GRM3, already known for roles in brain communication and impulsivity, appear central to how individuals initiate and sustain cannabis use.

Featured Neuroscience Open Neuroscience Articles Psychology

·August 27, 2025·3 min read

Cannabis Linked to Reduced Insomnia and Anxiety

A new study suggests cannabis-based medical products may help people with insomnia sleep better over the long term. Across 124 patients followed for up to 18 months, participants consistently reported improved sleep quality, less anxiety and depression, and a better overall quality of life.

This shows a featured brain and a cannabis leaf.

Featured Neuroscience Psychology

·August 26, 2025·4 min read

High-THC Cannabis Linked to Psychosis and Addiction

A systematic review of nearly 100 studies found that high-THC cannabis products are linked to negative mental health outcomes, particularly psychosis, schizophrenia, and cannabis use disorder. While some therapeutic research hinted at benefits for anxiety and depression, results were inconsistent and often showed potential harm.

Featured Neuroscience Psychology

·July 23, 2025·7 min read

Inflammation Influences Cannabis’s Effects on Anxiety and Sleep

A new study shows that inflammation levels influence how cannabis affects anxiety and sleep quality. Researchers found no overall change in inflammatory markers after 4 weeks of cannabis use, but baseline inflammation moderated outcomes.

This shows an older woman with a tincture.

Featured Neuroscience

·June 3, 2025·5 min read

Cannabis Use Among U.S. Seniors Has Surged 46% in Just Two Years

Marijuana use among U.S. adults aged 65 and older has climbed to a record 7%, up nearly 46% from 2021 to 2023. The trend is especially pronounced among college-educated, married, and higher-income individuals, particularly women.

This is a drawing of a cannabis pharmacy.

Featured Neuroscience Psychology

·May 8, 2025·5 min read

Legal Cannabis Linked to Less Problematic Use, Better Mental Health

The Weed Care study in Switzerland is investigating how legal access to cannabis affects users' consumption and mental health. In the first randomized trial of its kind, participants buying cannabis legally showed a slight decline in problematic use, especially among those who also used other drugs.

This shows a teen with a drink and brains.

Featured Neuroscience Psychology

·April 11, 2025·4 min read

Using Cannabis While Drinking May Lead to Riskier Behavior

Young adults often use alcohol and cannabis together, a behavior that may dull the perceived negative effects of drinking and increase the risk of alcohol-related harm. A recent study found that simultaneous use can reduce users’ awareness of alcohol’s effects, potentially leading to alcohol use disorder and dangerous behaviors like drunk driving.