ELECTRONIC CIGARETTE USE

This study aims to find the most effective combination of treatments to help people who both smoke cigarettes and use e-cigarettes (vape) quit smoking. Five hundred participants will try different approaches, including medication and nicotine patches, and be followed for a year. …

This study looks at how menthol flavor in e-cigarettes changes the way people vape and how it affects their nicotine addiction and exposure to harmful chemicals. Researchers will have 250 e-cigarette users, ages 21-35, vape with both menthol and tobacco flavors to compare the eff…

This study looks at how THC (the active part of cannabis) changes people's desire for e-cigarettes and their body's reactions. Researchers will give different doses of THC or a placebo to 100 adults who regularly use both e-cigarettes and cannabis. They will measure how many puff…

This study looks at whether inflammation from e-cigarette use harms blood vessel function in young adults aged 18-24. Researchers will compare vapers and non-vapers, measuring blood vessel responses after giving an anti-inflammatory drug or placebo. The goal is to understand if i…

This study is testing whether placing picture-based health warning labels directly on e-cigarette devices affects how young adults (ages 21-35) use them. Researchers will measure changes in nicotine levels, puffing behavior, and perceptions like harm and addiction risk. The goal …

This study follows 600 adults who vape nicotine regularly for at least a year to see how it affects their heart and lungs over time. Researchers use ultrasound and CT scans to measure artery thickness and lung air trapping. The goal is to provide clear evidence on the long-term h…