运动、营养、休息是增强机体健康的三个基本因素,而其中营养是很重要的因素.但是,食品卫生状况不良会使食品的营养价值成倍降低。例如,如果机体吸收了铅,无论怎样补充铁剂,还免不了发生贫血。其次,若机体吸收了苯类化合物就会引起维生素A等缺乏.因食品中含有所谓公害物质而使营养状态低下的例子很多,但也有一些其他的情况.如吃了营养丰富的肉、鱼类等,若 Exercise, nutrition and rest are three basic factors to enhance the health of the body, of which nutrition is a very important factor.However, the poor health of food can double the nutritional value of food. For example, if the body absorbs lead, anemia is inevitable no matter how iron is supplemented. Second, if the body absorbs benzene compounds, it can cause a lack of vitamin A. There are many examples of low nutritional status due to the presence of so-called public hazard substances in foods, but there are other cases where nutrient-rich meat, fish If,