CANNABIS USE

This study looked at a community-based program in Norway that helps people stop using cannabis. The program combines cognitive therapy and education over about 8 weeks. 102 adults took part, and researchers measured changes in cannabis use, mental distress, and well-being right a…

This study tested whether N-acetylcysteine (NAC), an over-the-counter supplement, can help people who use both tobacco and cannabis reduce or quit their use. 59 adults who smoked cigarettes and used cannabis took NAC or a placebo for 12 weeks. Researchers tracked changes in days …

This study tested a smartphone app called TECH designed to help court-involved teens reduce or quit marijuana. Sixty teens aged 14-18 who had used cannabis in the past year and had a smartphone participated. The app provided a private online community where teens could support ea…

This study looked at how cannabis affects driving by using a driving simulator. Researchers compared the driving performance of 207 adults who use cannabis daily, occasionally, or not at all. The goal was to better understand cannabis impairment and improve road safety.

This study looked at how legal cannabis use changes alcohol drinking habits, gut bacteria, and brain function in 77 adults who regularly use both alcohol and cannabis. Participants tracked their daily alcohol use and cravings, gave blood and stool samples, and completed thinking …

This study looked at 40 people who used cannabis within a month before surgery. Doctors used a bedside ultrasound to check if their stomachs still had food or liquid, which could raise risks during anesthesia. The goal was to see if cannabis use delays stomach emptying, but this …

This study looked at what happens when people drink alcohol and use high-THC cannabis concentrates together. 146 heavy drinkers and regular cannabis users took part in a mobile lab session. Researchers measured blood alcohol, heart rate, and drug effects to see if the order of us…

This study looked at how long-term cannabis use affects thinking, memory, and other brain functions in 110 regular users aged 16-60. Researchers also checked if certain genes make some people more vulnerable to these effects. The goal is to understand the risks for Asian and Chin…

This study looked at how two hormones that rise during pregnancy—estradiol and cortisol—affect the way the body processes THC (the main psychoactive ingredient in cannabis). Fourteen healthy women of reproductive age took dronabinol (a synthetic THC) with and without these hormon…

This study looked at how cannabis affects memory in people who use it regularly. 121 participants inhaled either cannabis or a placebo and then took a series of memory tests. The goal was to see if cannabis makes it harder to remember things like words, pictures, and tasks.