According to the briefing, leukemia, brain tumors, neuroblastoma, lymphoma, and other children for multiple diseases, tumors, lung tumors have shown a trend of a younger age.

• 有统计显示，全世界有7亿名儿童呼吸着被香烟烟雾污染的空气，在所有的癌症致病因素中，有30%25的癌症死亡与各种形式的烟草有关。