Measuring Tobacco and Cannabis Smoke Exposure in Nonsmokers
This study measures how much tobacco and cannabis smoke nonsmokers are exposed to in their daily lives. It may help understand health risks from secondhand smoke.
Summary written for real people, not researchers, by Clin2.
Who can take part
- 21 to 50 years old
- Not a current smoker of tobacco or cannabis, and no cigarette or joint use in the last 2 months
- No medical conditions like asthma, heart disease, diabetes, or high blood pressure
- Not exposed to secondhand tobacco or cannabis smoke regularly
- Have a body mass index (BMI) between 18.1 and 34.9
- Able to do moderate exercise and willing to provide urine and saliva samples
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
Similar studies
Other trials that look related to this one.
This study looks at how thirdhand cigarette smoke (the residue left on surfaces after smoking) gets absorbed into skin, and whether skin color affects this absorption. Researchers want to understand health risks from exposure to smoke residue in homes and public spaces.
This trial looks at how marijuana and tobacco work together in your body. If you regularly use both cannabis and tobacco, you may help researchers understand their combined effects.
This study looks at whether being exposed to secondhand tobacco smoke at work affects heart and blood vessel health. It may help researchers understand which people are at higher risk and how the body responds to that exposure.
This study looks at how cannabis affects your lungs when you inhale it. It is for people who currently use both cannabis and tobacco and want to help researchers understand how these substances impact breathing and overall lung health.
This study is for daily e-cigarette users who also use cannabis at least once a week. It tests how cannabis affects vaping behavior. Researchers want to see if using cannabis changes how much or how people vape.
This study compares people who smoke cannabis daily with people who have never used cannabis. It looks at how cannabis smoke affects lung stress and the lungs’ immune defenses, using health tests and urine screening to keep participants safe.
Hear when a new Healthy trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.