一、可乐饮料:可乐饮料中含有一定量的咖啡因,咖啡因对机体中枢神经系统有较强的兴奋作用,对人体有潜在的危害。试验表明,它可抑制脱氧核糖核酸的修复,使细胞突变率增加。由于儿童处在身体发育阶段,体内各组织器官尚未发育成熟,身体抵抗力较弱,因此,儿童喝可乐饮料产生的潜在危害可能会更严重。二、爆米花:爆米花中铅的含量很高,铅对人体危害很大。铅进入人体后会损害人的神经系统、消化 Cola drinks: Cola drinks contain a certain amount of caffeine, caffeine on the body’s central nervous system has a strong stimulating effect on the human body has potential hazards. Experiments show that it can inhibit the DNA repair, so that the mutation rate increased. Because children are in the stage of physical development, various tissues and organs in the body have not yet matured and their body resistance is weak. Therefore, the potential harm caused by children’s drinking cola drinks may be more serious. Second, popcorn: popcorn high levels of lead, lead to great harm to human body. Lead into the human body will damage the nervous system, digestion