膀胱癌多发生于45岁以上的中老年人,随年龄增大,其发病率也随之上升,在世界范围内,膀胱癌发病率居恶性肿瘤的第十一位,在我国,男性膀胱癌发病率位居全身恶性肿瘤的第七位,女性排在第十位以后,男性发病率是女性的3倍左右,而且城市高于农村地区。但近10年间,不论男性还是女性,也不论城市或农村,膀胱癌发病率均呈现逐年增长趋势。应当说,再不抓紧防治,膀胱癌的发病率还会提高,因为人口老龄化程度在逐年提升。下面从膀胱癌的主要危险因素谈谈如何预防这种病。 Bladder cancer occurred in more than 45 years of age in the elderly, with age, its incidence also will rise in the world, the incidence of bladder cancer ranks the 11th of malignant tumors in our country, male bladder cancer The incidence rate ranks the seventh place in the body of malignant tumors, women came in tenth place, the incidence of males is about three times that of females, and the city is higher than in rural areas. However, in the recent 10 years, both men and women, regardless of urban or rural areas, the incidence of bladder cancer showed a trend of increasing year by year. It should be said that without further efforts to prevent and control, the incidence of bladder cancer will increase, because the degree of population aging is increasing year by year. The following from the main risk factors of bladder cancer talk about how to prevent this disease.