Cannabis

A study of over 500,000 Americans suggests that substances like PCP and cannabis consistently predict higher arrest rates. Conversely, psilocybin is associated with lower odds of offending, though these protective effects vary by race and age.

A massive new meta-analysis reveals a staggering overlap between cannabis addiction and depression. Researchers found that over 30% of people with Cannabis Use Disorder also suffer from Major Depressive Disorder, highlighting a critical need for dual-diagnosis mental health treatments.

Adolescents with a cannabis addiction are more likely to develop schizophrenia and depression than peers addicted to other substances. A recent study shows that this risk pattern reverses in adults, highlighting the vulnerability of the developing brain.

Does addiction always hijack your eyes? A surprising new Australian study found that heavy cannabis users don't actually pay more automatic attention to weed-related images than non-users, challenging long-held theories about how cannabis use disorder works.

A new review in Brain, Behavior, and Immunity challenges the idea that cannabis is strictly anti-inflammatory. Analyzing over 54,000 people, researchers found that regular cannabinoid use is linked to both pro- and anti-inflammatory immune responses.

By studying humans and rats, researchers pinpointed how cannabis causes hunger. The plant interacts directly with brain receptors to increase the reward value of food, driving consumption regardless of the body's caloric needs.

A new study in the Journal of Psychopharmacology mapped how cannabis impacts human cognition. The findings provide evidence that intoxication broadly disrupts multiple memory domains, increasing false memories and making it harder to recall practical, everyday information.

In a controlled laboratory setting, heavy drinkers consumed up to 27 percent less alcohol after smoking cannabis. The findings offer new insights into how acute cannabis intoxication alters immediate drinking habits and delays the onset of alcohol consumption.

Cannabis can trigger paranoia, but a new study finds that adults who experienced emotional abuse or a high-conflict childhood are uniquely vulnerable. Researchers discovered a toxic interaction where heavy THC consumption significantly amplifies the hyper-vigilance and mistrust caused by early...

A new brain imaging study reveals an association between overlapping depression and cannabis use and less efficient brain communication. The heightened connectivity typically seen with cannabis use is less pronounced when depression symptoms are present.

Researchers found that daily doses of CBD oil may ease anxiety and improve certain social behaviors in autistic children. The preliminary trial also reports a noticeable drop in the daily stress experienced by their parents.

Researchers examined 54 clinical trials to see if cannabis helps treat mental health or addiction issues. They found minimal proof of benefit, alongside a higher risk of mild side effects like dizziness and nausea.

A non-intoxicating compound in cannabis could offer a breakthrough treatment for alcohol use disorder. New research shows CBD significantly reduces withdrawal symptoms, blocks cravings, and physically protects the brain from alcohol-induced cell death.

Many people use cannabis to help cut back on drinking. However, a new study reveals that smoking THC only reduces alcohol cravings for individuals with average or high working memory, leaving those with poorer cognitive control without this benefit.

Exploring the overlooked aspects of substance-related sexuality, a new analysis of young adults demonstrates how cannabis serves to heighten physical pleasure and intimacy.