生病了用药物治疗,这是毫无疑问的。可有些人没病也吃药,希望能预防疾病。有人认同这种未雨绸缪,有人则担心是药三分毒。其实,这两种说法都对,原则就在于两害相权取其轻。预防用药有利药物能有效地预防疾病,是预防用药的前提。有些药物被用来预防或是治疗一些疾病,但最终被证实是无效的。对于这样的药物,无论多么安 It’s beyond doubt that you are ill with medication. Some people may not get sick or take medicine, hoping to prevent the disease. Some people agree that this precaution, while others are worried about the drug thirds. In fact, both of these statements are correct and the principle is that the two evils should be taken lightly. Prophylactic drugs beneficial drugs can effectively prevent the disease, is the prerequisite for the prevention of medication. Some drugs are used to prevent or treat some diseases, but eventually proved to be ineffective. No matter how good the medicine is