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现实生活中,人们往往看重营养不良的危害,认为营养不足可致体弱多病,会影响人体健康,而对营养过度及营养不平衡的危害却认识不足。讲究营养就必须讲合理营养,也就是每日由食物摄入营养物质应适度,既不能缺乏,也不能过度,缺
In real life, people often value the harm of malnutrition, think that malnutrition can cause illness and sickness, which will affect human health. However, there is a lack of understanding of the dangers of overnutrition and nutritional imbalance. Pay attention to nutrition must be reasonable nutrition, that is, daily intake of nutrients from food should be appropriate, neither lack nor over, lack