Learn about World No Smoking Day 31/5

A cigarette produces 500 milliliters of smoke, in cigarette smoke contains more than 3,000 chemicals, of which 20 have been confirmed to cause cancer.

In 1825 , Swiss chemist Picoto first discovered nicotine in cigarette smoke. This substance makes smokers addicted and also causes chronic smokers to switch to acute poisoning. Scientists have shown that nicotine in a cigarette is enough to kill a rat, in 20 cigarettes, enough to kill a cow. In a smoking competition in France, a contestant smoked 60 cigarettes and died on the spot.

In 1954 , scientists found benzene in cigarette smoke and proved it caused cancer. In 1974 , scientists discovered crizen and methyl compounds in relatively high concentrations in cigarette smoke, five times more than benzene. These substances cause infected animals to have cancer at a rate of 100%. In 1977, scientists found methyl hydrazine to cause cancer, each cigarette containing 0.15 milligrams of this chemical. In cigarettes, there are many substances that cause cancer, so people who smoke a lot of cigarettes are more likely to get lung cancer, liver cancer, etc.

Cigarette smoke affects not only smokers but also the surrounding environment.

Young men and women who smoke will adversely affect the next generation, especially women who smoke during pregnancy, are prone to premature birth, low birth weight, and reduced physical health. Cigarette smoke affects not only smokers but also pollutes the surrounding environment, making people around but not smoking become "smoke" of cigarette smoke and prone to cancer. Therefore, many countries around the world have banned smoking in public places.

Quitting smoking has become a widespread movement in the world, whether developed or developing countries are interested in this issue. To promote the quit smoking movement, the world chose May 31 every year to make "World No Smoking Day".

Every year, on May 31, the World Health Organization (WHO) and its partners celebrate World No Tobacco Day. The goal is to highlight health risks associated with tobacco use and to support effective policies to reduce tobacco use.

Responding to the World No Smoking Day 31/5 this year, the World Health Organization (WHO) takes the theme "World No Smoking Day" as "Prohibition of advertising, promotion and tobacco financing" In order to help policy makers and the public in the country better understand the tobacco industry, come up with solutions to reduce the effects of tobacco on the community and take appropriate measures.