Parents should not put ham or salami in their children's packed lunches because processed meat increases the risk of developing cancer, experts in the disease are warning. 癌癥專(zhuān)家警告說(shuō),父母不應給小孩的午餐便當里放入火腿或薩拉米香腸,因為加工肉類(lèi)會(huì )增加罹患癌癥的風(fēng)險。