Study Description

This is an anonymous questionnaire to gather preliminary data about the potential risks and benefits associated with taking ayahuasca and whether it was perceived as therapeutic for symptoms and co-morbid conditions related to post-traumatic stress (PTS). The data is being collected by Dr. Jessica Nielson, Ph.D. (UCSF IRB #16-19906). If you need further information please contact 
The survey should take about 15-30 minutes to complete, based on how much you choose to reply to open-ended questions. You can begin the survey by clicking 'Next' at the bottom of this page. Please complete the survey only once, and answer each question honestly and seriously. If you are not ready to complete the survey now, please return to this page at a time that is convenient for you.  You can exit the survey at any time by clicking the "Exit" link in the upper right corner of your screen.
Purpose of the survey
Our goal is to gather existing data from anyone who has tried ayahuasca to treat a condition, with specific questions related to PTS, depression and addiction to better understand the range of therapeutic potentials reported by people taking ayahuasca in naturalistic settings around the world. 

Eligibility Criteria

You are invited to participate in this survey if you fulfill the following criteria:1) You are at least 18 years old; 2) You read, write, and speak English fluently; 3) You have taken ayahuasca in any type of setting

What kind of information will I be providing?
At the beginning of the survey, you will be asked questions about your background (e.g. age, gender, ethnicity, spiritual and/or religious beliefs), followed by questions about whether you have ever been diagnosed with PTSD, details about your ayahuasca experience(s) and any changes you may have noticed in symptoms related to PTSD, depression and substance use.  Some of the survey questions may make you feel uncomfortable or raise unpleasant memories.  You are free to skip any question or select “prefer not to answer”

Participation and Privacy
Your participation in this study is voluntary and anonymous. We do not collect identifying information such as your name, email address, or IP address. If you complete the optional open­-ended sections of questions, and if you provide specific identifying information, we will edit your responses to protect your confidentiality.  If you stop early, none of your responses will be used.  Your completion of this survey will serve as your consent to be in this research study. Please refer to the consent form found here for additional information. Even after you begin the survey, you may stop answering the questions at any time. You will also be given an option at the end of the survey to have your results excluded from analysis if you decide once you are finished that you do not want us to use your data. 

We greatly appreciate your participation and feedback.
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17% of survey complete.