维生素,有人又称为维他命,其一是根据英文的译音,其二也含有更深一层意思,即它是维护人体生命的一种重要物质。维生素也好,维他命也好,反正它是维护生命的一种重要物质。维生素人体不能合成,故必须不断地从饮食中获取。 很多人认为维生素是补药而大量进补,所以来个多多益善。殊不知,这种做法不仅是一种药物浪费,而且对健康也有害。 维生素A缺乏可引起夜盲症、干眼病;并能影响生殖功能和胚胎的发育。维生素治疗量时一般不会产生毒性。但若长期或大量进补,可引起中毒反应。成人一次用药超过50万单位,或儿童30万单位,可引起急性中毒,表现为头痛、烦 Vitamins, also known as vitamins, one is based on the transliteration of English, the second one also contains a deeper meaning that it is an important material to maintain human life. Ye Hao vitamin, vitamin Ye Hao, anyway, it is an important material to maintain life. Vitamins human body can not be synthesized, it must continue to get from the diet. Many people think that vitamins are a lot of tonic drugs, so a lot more good. As everyone knows, this approach is not only a waste of drugs, but also harmful to health. Vitamin A deficiency can cause night blindness, dry eye; and can affect reproductive function and embryonic development. Vitamin treatment usually does not produce toxicity. However, if long-term or a lot of tonic, can cause toxic reactions. Over 500,000 adults, or 300,000 children, can cause acute poisoning and headache and annoyance