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维生素是维持人体健康必不可少的营养物质，可用于缺乏症的预防和治疗，也可用作为治疗其它疾病的辅助药物，这一点早为人们所熟识。但大多数人甚至部分医生都认为维生素对人体有利无害，是生命的营养素，而对过量或长期应用维生素会引起各种中毒症状缺乏了解，例如当今就有许
It is already well known that vitamins are essential nutrients for human health and can be used for the prevention and treatment of deficiency disorders as well as as adjuncts to the treatment of other diseases. However, most people and even some doctors think that vitamins are harmless to human beings and are nutrients of life. However, there is a lack of understanding about the symptoms of poisoning caused by excessive or prolonged application of vitamins. For example,