Measuring Environmental Tobacco and Cannabis: Pollutants and Exposures
University of California, San Francisco
Summary
This is an unblinded pilot study of an environmental exposure to secondhand cannabis smoke in one group of healthy nonsmokers.
Description
The goal is to gather accurate information on uptake of smoke toxicants from cannabis exposures in the real world. The investigators will be taking healthy nonsmokers to public places where people are consuming cannabis and measuring their uptake of cannabinoids.
Eligibility
- Age range
- 21–50 years
- Sex
- All
- Healthy volunteers
- Yes
Inclusion Criteria: \- Adult nonsmokers, aged 21-50, who: * Are healthy on the basis of medical history * Have systolic blood pressure \<150 * Have diastolic blood pressure \<100 * Have BMI between 18.1 and 34.9 * Able to perform moderate exercise, * Are not exposed to tobacco or cannabis SHS in their daily lives. (Nonsmoking status and low SHS exposure are determined by self-report on the screening questionnaire, salivary cotinine \< 10 ng/ml and THC \< 50 ng/m and exhaled CO2 below 4 ppm) Exclusion Criteria: * Current use of cannabis products, including CBD and edible THC products * Reg…
Interventions
- OtherSecondhand cannabis emissions/smoke exposure
This is an environmental exposure performed in public places where people are consuming cannabis.
Location
- Zuckerberg San Francisco General HospitalSan Francisco, California