for an ozempic pen. i thought i m not enjoying vaping so i may as well put this in the battery pen at work and see how long i can go without it. and that was 54 days ago. reporter: if everything son started using ozempic 11 weeks ago to combat weight gained in the pandemic but she says was increasing her risk for diabetes. a smoker, she switched to vaping last july. but after starting ozempic, she says something change. it s like someone s just come along and switched a light on and you can see the room for what it is and all of these vapes and cigarettes that you have had over the years, just they don t look attractive anymore. it s very, very strange. very strange. reporter: ferguson is one of many patients taking drugs like ozempic for weight loss who sy they lost interest in some addictive behaviors. doctors told cnn that patients most commonly report an effect
a public health concern. it s estimated that tobacco kills about 48,000 canadians each year. and here in the united states cigarette smoking is responsible for more than 480,000 deaths per year, including those from secondhand smoke, and around the world tobacco kills more than 8 million people each year. now, according to canadian health authorities, smoke something also linked to 40 disease s and conditions, but many health risks can be reversed or reduced after the person quits smoking. rahel and victor. thank you very much. medications like ozempic are helping people to lose more than weight. some people who use the drug say it also helps them curb addictive behaviors like drinking, smoking, even nail-biting. cnn s meg tirrell has details. reporter: these days sharie ferguson swapped her vape pen