A study conducted in Brazil involving over 800 adults found that individuals with prior experience using ayahuasca reported better mental health than those using it for the first time. Participants with more extensive usage of the psychedelic brew reported lower levels of depression, anxiety, and stress, as well as enhanced spiritual well-being and reduced alcohol consumption.
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Ayahuasca, a traditional Amazonian drink made from local plants, contains DMT, a powerful hallucinogen. Indigenous communities have utilized it in spiritual and social rituals for generations. To investigate the relationship between prior ayahuasca use and mental health, researchers categorized participants into three groups: first-time users, those with 1 to 20 previous experiences, and those with at least 21 uses.
Prior to participating in ayahuasca ceremonies, participants completed surveys assessing depression, anxiety, stress, alcohol and tobacco use, spiritual well-being, extraordinary experiences, and beliefs regarding consciousness and reality.
The results indicated a clear pattern: first-time users had higher depression scores compared to both experienced groups, with the most seasoned users revealing the lowest scores. Anxiety levels were similarly higher among novice users, while stress levels decreased with increased ayahuasca experience. Alcohol consumption was notably lower among veteran users, though tobacco use differences were less significant after controlling for personal factors.
Spiritual well-being scores showed prominent differences, with the most experienced users reporting the highest levels, diminishing for moderate and first-time users. Additionally, participants with prior use indicated stronger beliefs about consciousness and reality.
Researchers noted limitations in the study, including its cross-sectional design, which means it cannot definitively establish cause-and-effect relationships between ayahuasca use and mental health improvements. It's possible that those with better mental health might be more inclined to engage in ayahuasca ceremonies.
Self-reported data may also be influenced by memory and expectations, and the study's first-time user group was significantly smaller than the experienced groups, potentially skewing results. While participants with prior ayahuasca use reported more unusual meaning in everyday events, the differences across experience levels were not statistically significant.
Previous research has suggested various ways ayahuasca may influence mood and behavior, including effects on serotonin and emotional processing. The current study enhances existing knowledge by including individuals with no prior ayahuasca experience, emphasizing the need for larger, longitudinal studies to clarify whether repeated ayahuasca use fundamentally alters mental health or if specific traits predispose individuals to become experienced users.