May 31 is "World No Tobacco Day," since the 50s since the 20th century, globally large number of epidemiological studies have confirmed that smoking is the primary cause of lung cancer risk factors. To the international community to attach importance to human health dangers of tobacco, the World Health Organization in November 1987 recommended that each year on April 7 as the "World No Tobacco Day" and in 1988 started. Since 1989, World No Tobacco Day to May 31 each year.
Big formaldehyde hazards Strengthen the floor to exit the market
From the Pearl River Delta to the Yangtze River Delta, Beijing and Tianjin from the northeast to the Tang heavy industrial area, air pollution has been the public to go out or stay inside the pain, with rapid economic leap forward, weak environmental awareness, whether businesses or workers, 2011 The bear now more than ever in serious air pollution, indoor pollution decoration, furniture, pollution, automobile exhaust, industrial emissions, etc. No Tobacco Day is not just the problem of passive smoking cigarettes, more a reflection of the urgent public air quality requirements.
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