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慢性疾病有傅染性的和非傅染性的;两者对少年儿童身体健康都有不良影响,我们应加强这方面的卫生教育,使少年儿童懂得预防的方法。一、傅染性的慢性病
Chronic diseases are both fussy and non-contagious; both have a negative impact on the health of children and adolescents. We should strengthen health education in this area so that children and adolescents can understand prevention methods. First, Fu Yan sexually transmitted diseases