Overview
“California sober” was a term popularized around 2019 to describe a pattern of substance use that foregoes alcohol and “hard” drugs while allowing for the use of cannabis, psychedelics, caffeine, and other “soft” drugs. Rather than the conventional total abstinence model used by many peer recovery groups, especially 12-step based programs, the concept of “California sober” is a shift towards harm reduction principles that acknowledges the increased quality of life from any reduction of use in substances that can create urgent life-threatening situations. The term has no fixed meaning, so one person may limit themselves to cannabis while another person might include psychedelics in their definition. The association with California is derived from the state’s generally lenient and progressive orientation towards decriminalizing substance use and alternative wellness approaches.
The research on California sobriety is mixed.
A study from Brown University that was published in the American Journal of Psychiatry, the first randomized controlled trial on the subject, found that subjects who smoked THC joints just before visiting a bar drank 19% to 27% less alcohol than the control group given a placebo. Higher THC concentrations correlated with a greater reduction in drinking. 1 A 2025 University of Colorado study found that participants who bought cannabis from a dispensary to use at home chose to drink about 25% less alcohol and experienced far fewer cravings. Researchers from the University at Buffalo published a paper in the Journal of Psychoactive Drugs that showed that nearly 2/3 adults who used cannabis-infused beverages reduced their alcohol consumption by half or completely stopped drinking alcohol.
On the other hand, a 2024 study published in the Journal of Substance Use and Addiction Treatment looked at sober living homes (SLHs) specifically and found that almost one-fifth of residents had reported using cannabis in the past six months, which correlated with an increase in alcohol use and drug problems in general. 2 That being said, it’s also true that someone who can’t abstain when living in an SLH with an abstinence-only policy might have a significantly different profile than someone who abstains in an SLH and begins to use cannabis only after moving to a house that permits it.
Anecdotally, I’m inclined to think there is, as I’ve observed a huge holistic difference between people whose substance use emerges as a consequence of problems in their old environments and lifestyle compared to people who struggle to maintain sobriety when in a treatment facility. I’ll also qualify that by saying the people I know who have been able to moderate cannabis usage who have at one point met the criteria for substance use disorder did not approach their treatment with plans to resume using cannabis. Those who did relapsed into other substances quite soon. I would argue that someone set on being able to maintain complete abstinence for at least some period of time is on a different place in the spectrum of compulsive and impulsive behaviors associated with addiction than someone who does not perceive sober life to be tolerable at all.