This guideline covers support to stop smoking for everyone aged 12 and over, and help to reduce people's harm from smoking if they are not ready to stop in one go. It also covers ways to prevent children, young people and young adults aged 24 and under from taking up smoking. 

We reviewed the evidence for cytisinicline (sometimes referred to as cytisine) and have made new and updated recommendations in the section on stop-smoking interventions. For more details, see the update information.