Welcome to chaya LA

About us
The Cannabis, Health, and Young Adults (CHAYA) Study was Initially funded in 2013 by the National Institute on Drug Abuse (NIDA) to examine the natural history of cannabis use among young adult users and how their cannabis practices evolved over time. This longitudinal study enabled us to document changes and stability in young cannabis users' substance use, health behaviors and health outcomes.

​(Click HERE to read more, or click our ABOUT US tab up above)
 The Cannabis, Health, and Young Adults (CHAYA) Project has launched a new research study! This new study aims to understand daily cannabis use practices and psychosocial functioning among cannabis users in different policy settings. The study will collect information about rules and habits around cannabis use and how these are impacted by day-to-day emotions and occurrences. (Click HERE to learn more or click CHAYA 3.0 Study Launch for more details).   

MARIJUANA News

HEALTH
Fox News| Feb. 15, 2026
Study Challenges Negative Cannabis Stereotypes Claiming Link to Brain Benefits
While cannabis has recently come under fire for potential negative health risks, a recent study suggests that its use could increase brain volume and cognitive fitness. Researchers at the University of Colorado Anschutz Medical Campus analyzed cannabis usage, brain scans and cognitive test results for more than 26,000 adults between the ages of 40 and 77, using data from the UK biobank.
HEALTH
Fox News| Jan. 30, 2026
'High January' Fuels Cannabis Boom as Experts Flag Some Serious Health Dangers
The popularity of cannabis continues to rise in 2026, with statistics showing that around 15% of Americans are current users, and more than 22% have used it sometime in the past year.
As more people cut out alcohol amid the Dry January trend, dispensaries have reported a surge in marijuana sales, leading to what some industry insiders and media outlets have dubbed "High January."
HEALTH
NBC News| Dec. 23, 2025
Cannabis Reclassification Could 'Open the Floodgates' for Research, Scientists Say 
A long-awaited change in drug policy could bring scientists one step closer to understanding the harms and benefits of marijuana, the most commonly used federally illegal substance.

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