Pickled ants, smoked seaworms, blubber, fried tadpoles—to some people these are fine foods. Many of our foods would be just as strange to people of other lands. But whether we eat pickled ants or pickled peaches, smoked seaworms or smoked ham, blubber or butter, food serves the same purpose for us all.
In the first place food is a fuel. It keeps our bodies running. It gives us energy to work and play. It keeps us warm, too. It does for us very much the same things gasoline does for an automobile.
But it does much more for us than gaso¬line does for an automobile. No one expects his automobile to get bigger because he keeps putting gasoline in it. He does not expect the gasoline to mend a punctured tire, either. But our food makes us grow, and it furnishes the materials we have to have to mend cut fingers and broken bones. Food also gives us materials that make our bodies run in just the right way.
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