Rationale:
by the World Health organization (WHO), every day in the world about 250 million women and nearly 1 billion men smoke, which is the ratio of male smokers in much more than 4 times more than females (48% vs 12%), and in particular, the rate of smoking among women is increasing, forecasts can be increased to 20% in 2025 (1,5,8 , 9,11,13,15,19).In Vietnam, according to the 1997 survey, the percentage of smokers was 50% in men and women was 3.4% (4). Tobacco smoke contains many toxic substances (about 4,000 substances) and is favorable factors cause many dangerous diseases for women themselves, including cancer (most commonly lung cancer), respiratory disease ( chronic bronchitis, bronchial asthma, ...),cardiovascular disease, abnormal reproductive health and mental disorders ... (2,4-7,10,12,14,18,19). of mortality in women inhaling cigarette smoke rising, for example, in Europe, the number of deaths was 10,000 in 1955, rising to 113,000 in 1995 (9), and above all world in 2000, about 990.000 women die from diseases related to cigarette smoking (11,13,21).
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