The blood thus
courses with greater celerity through the body, and sooner loses its
nourishing properties. Then the stomach issues its mandate of hunger,
and a new supply of food must be furnished.
Thus it appears, as a general rule, that the quantity of food actually
needed by the body depends on the amount of muscular exercise taken.
A laboring man, in the open fields, probably throws off from his skin
and lungs a much larger amount than a person of sedentary pursuits.
In consequence of this, he demands a greater amount of food and drink.
Those persons who keep their bodies in a state of health by sufficient
exercise can always be guided by the calls of hunger. They can eat
when they feel hungry, and stop when hunger ceases; and thus they will
calculate exactly right. But the difficulty is, that a large part of
the community, especially women, are so inactive in their habits that
they seldom feel the calls of hunger. They habitually eat, merely to
gratify the palate. This produces such a state of the system that they
lose the guide which Nature has provided. They are not called to eat
by hunger, nor admonished, by its cessation, when to stop.
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