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不注意更换牙刷牙刷经常处于潮湿状态，是细菌滋生的最佳温度，它们极易通过口腔粘膜侵入人体。专家认为，牙刷最好每月换一把。不注意多扫床不少家庭很重视地面的光洁，对床单却很少清理。若观察一下地面几天不扫的情况，就可以明白每天需扫床的必要了。看电视后不洗脸荧光屏
Do not pay attention to replace the toothbrush toothbrush is often in the wet state, is the best temperature for breeding bacteria, they easily penetrate the body through the oral mucosa. Experts believe that the best monthly toothbrush change. Do not pay attention to many beds Many families attach great importance to the ground clean, very few clean sheets. If you look at the ground a few days without sweeping the situation, we can understand the need to sweep the bed every day. Do not wash your face after watching TV screen