The following food chart will enable the reader to calculate (approximately) how much food of any particular kind is necessary to provide the above amount. Adult persons below the average size and weight, and living sedentary rather than an active physical life, will naturally require less than this normal standard. The relative cost and economy of the different foods can also thus be ascertained.
If care is taken to secure a sufficient quantity of Protein the requisite amount of Carbohydrates is not likely to be omitted, and hunger will prove a reliable guide in most cases. It is advisable, however, to see that enough Fat is taken, especially in winter, and by persons lacking in nerve force.
The table of food-values will easily enable the reader to ascertain the proportion of Fat in each kind of food.
The following indications of dietetic error may prove useful: —
Signs of Dietetic Mistakes.Excess of proteid matter causes a general sense of plethora and unbearableness, nervous prostration or drowsiness after meals, a tendency to congestion (often resulting in piles, etc.), headache, irritability, and bad temper. A continuous deficiency of it would tend to produce general weakness and anæmia.
Excess of carbohydrate matter (starch), especially if not sufficiently cooked and not well masticated, produces dyspepsia, flatulence, pain in the chest and abdomen, acidity (resulting in pimples and boils), and an inflammatory state of the system. Deficiency of it (or its equivalent, grape sugar) would produce lack of force and physical exhaustion.
Excess of fat tends to cause biliousness. Deficiency of it results in nervous weakness, neuralgia, and low temperature of the body.
Food for Brain Workers.It is important to remember that the more physical energy we put forth, the larger is the amount of proteid we require in our diet – and vice versa. Brain workers of sedentary habits require but little proteid, and quickly suffer from indigestion if this is taken too freely. For such, a very simple dietary consisting largely of dried and fresh fruits, nuts (flaked or ground), milk, eggs and cheese, and super-cooked cereals (such as wholemeal biscuits, and toast, Granose and Kellogg flakes, and well baked rice dishes) will be found to be the most suitable.
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See "The Testimony of Science in Favour of Natural and Humane Diet."
See Table of Food Values.