Weedless Wednesday is observed in Canada during the third full week of January, coinciding with National Non-Smoking Week. This event encourages smokers of tobacco and recreational cannabis to abstain from smoking for 24 hours. The initiative aims to raise awareness about the dangers of smoking, promote cessation, and prevent addiction. It emphasizes a "one day at a time" approach to quitting, making it more manageable for smokers. Health professionals note that even short-term cessation can provide significant health benefits, such as improved oxygen levels and reduced risk of heart attack. The Canadian Council for Tobacco Control coordinates this event, which has been promoting anti-smoking efforts for over 40 years.