Core tip: Infertility studies have shown that nicotine has the effect of reducing the amount of sex hormones and killing sperm, smoking 30 cigarettes a day, sperm survival rate of only 49%, the mortality rate of 51%. Husbands who smoke can reduce the likelihood of their wives conceiving by half. Yesterday, the China Tobacco Control Association launched its first tobacco control program for female celebrities. According to the latest survey data, up to now, the number of female smokers in China has exceeded 12 million, and more than 70% of women are forced to “endure” the hazards of second-hand smoke. Famous actress Dany Liang, world chess champion Xie Jun, high jump world champion Zheng Fengrong …… these elite women from all walks of life are involved in the project, they jointly launched the initiative, the only purpose is to refuse tobacco. It is understood that the successful women’s tobacco control program initiated by the China Tobacco Control Association, will explore effective women’s tobacco control intervention model through regular training and other means, and will be promoted in the country. Second-hand smoke is more harmful than first-hand smoke For a long time, and most believe that the harm of smoking mainly from the smoker’s own active smoking, in fact, it is not. The smoke emitted by the combustion of cigarettes when smoking can be divided into two types of mainstream smoke and tributary smoke. Passive smokers mainly inhale tributary smoke, and active smokers inhale the mainstream smoke in the body is absorbed only 70%, and 30% and exhaled out of the body, mixed into the tributary smoke, passive smokers inhale the composition of the tributary smoke qualitatively speaking and mainstream smoke is basically the same, but in the number of differences, the harmful components than the mainstream smoke high. For example: the content of carbon monoxide tributary smoke is 5 times the mainstream smoke, tar and nicotine is 3 times, benzo(a)pyrene is 4 times, ammonia is 46 times, nitrosamines is 50 times, nicotine is 2 times or even dozens of times, in addition, formaldehyde, toluene, acetone, pyridine, nitrogen dioxide, aniline, phenol, cadmium, nickel ratio is also very high. When smoking a cigarette, to emit 2000 ml of smoke, containing about 300 kinds of harmful substances, including more than 40 kinds of carcinogenic substances, more than 10 kinds of cancer-promoting substances. This shows that “second-hand smoke” will not only suffer the same harm as “first-hand smoke”, but also the damage to health is more serious and more intense. In China, the phenomenon of passive smoking among women is quite common. As early as 1996, the national smoking epidemiological study showed that 57% of women over 15 years of age and more than 60% of women of childbearing age are passive smokers every day. Of the women who were passive smokers, 71% were at home, 25% were in the workplace, and 33% were passive smokers in public places. In some special industries, such as women working in restaurants and bars, almost 100% of women are passive smokers in the workplace. Secondhand smoke can bring the harm of women Many women face secondhand smoke can not do anything because their husbands are smokers. In Japan, a follow-up survey of lung cancer incidence in 91,540 women over 40 years of age showed that the incidence of secondhand smoke increased significantly among women who smoked. Women whose husbands smoked more than 20 cigarettes a day were twice as likely to develop lung cancer as ordinary women. The reproductive system of women who live with smokers is more likely to have symptoms such as irregular menstruation, early menopause, reduced fertility and pregnancy disorders, and the likelihood of infertility is 2.7 times higher, and pregnancy is more likely to result in miscarriage, premature birth and stillbirth. Gynecologists pointed out that secondhand smoke can bring women to the health of their homes are the following specific diseases: 1, so that maternal lactation is reduced. U.S. research found that pregnant women passive or active smoking, can make prolactin levels drop