May 31, equivalent to 10 Khordad 1402, is designated as World No Tobacco Day.

The national slogan for this day is to preserve public health by comprehensive prohibition of tobacco advertising.

Throughout the world, extensive efforts have been made to raise awareness about the harmful effects of tobacco use, the deceptive tactics of the tobacco industry, and the importance of quitting smoking through coordinated and widespread actions.

Unfortunately, tobacco use has increased compared to the past.

Non-smoking is a preventive factor against various types of cancer.