Rai Services Company

This study aims to understand how addictive different heated tobacco products are. It will measure the feelings and nicotine levels in 40 adult smokers after they use these products, their own cigarettes, and nicotine gum. Participants will stay at a clinic for 10 days to test ea…

This study aims to measure how much nicotine enters the bloodstream when people use different types of electronic cigarettes (e-cigarettes). It will also ask participants how much they like each product. The study involves 40 generally healthy adult smokers who will stay at a cli…

This study aims to understand how addictive different e-cigarettes are compared to a person's usual cigarettes and nicotine gum. About 70 adult smokers will stay in a clinic for 10 days to try several e-cigarette products, their own cigarettes, and nicotine gum. Researchers will …