Keeping Fit |
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acid albumen ambition animal appetite assimilated become better blood body brain cells brain food brain power brain workers bread breathing bumen cause cold condition contain cooked delicate deterioration digestive apparatus disease drink dyspepsia eaten eaters efficiency eggs energy especially excess exercise fact fatigue feel flavors flesh food values force fresh fruit gastric juice give glands gout habits happiness Horace Fletcher human ignorance injurious keep fit kidneys kinds of food lack large amount larvæ live liver lungs masticated material matter meal meat diet ment mental milk mind muscles Nature nerves never nitrogenous nourishment nutriment nutrition perfect phosphorus physical poisons poor quire realize red meats rich salts says scientific scurvy skin sleep sorts starch stimulating stomach suffer sugar things tion tissues trouble tuberculosis uric acid vege vegetable diet vegetarians vigor vitality wonderful young