TOBACCO SMOKING

This study tested whether the drug nivolumab can reverse precancerous spots in the lungs of heavy smokers or people with a history of lung or head and neck cancer. Nineteen participants received the drug to see if their lung tissue improved. The goal was to stop these spots from …

This pilot study tests two approaches to help people living with HIV/AIDS in South Africa reduce their cigarette smoking: using e-cigarettes or nicotine replacement therapy (like patches). Both groups also receive supportive text messages. The goal is to see which method is more …

This study tests whether a program of counselling plus nicotine replacement therapy (like gum or patches) helps e-cigarette users stop vaping. 180 regular vapers will be randomly assigned to receive either counselling alone or counselling plus nicotine therapy. Researchers will c…

This study looks at what might happen if menthol cigarettes are banned. Researchers want to see if offering menthol-flavored e-cigarettes helps people who smoke menthol cigarettes switch away from smoking. About 150 adult menthol smokers will take part and report their smoking ha…

This study looks at how different tobacco products—like cigarettes, e-cigarettes, and smokeless tobacco—affect the way skin wounds heal. Researchers will measure skin temperature, blood flow, and signs of inflammation in 60 adults, including a group of non-smokers for comparison.…