吃是人的本能，但吃什么，怎么吃，这里面却大有讲究。"吃是人身体、健康的第一道关"，人的健康不能只停留在"不得病"的低水平上，要有健康的体魄，还要会"吃"。要会"吃"，就不能由着性子来，以至于想吃就吃，这是万万不可的。
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