Show new idea in physiology it Is possible teat the school child may be quite as an readily fatigued by inspiring the waste products of hla hirs fellows as by his own and that the business man is more liable than the agricultural laborer to become run down not so much because he works harder barder or more monotonously and therefore personally manufactures more wista wast products but because his tissues aro mora liable to bonoma saturated with the waste products of himself and others othera derived from the conn confined zed atmosphere in which he works excessive Excess iye latigue fatigue from a railway allway journey is likely e to je ae noticed if tho cars care are ano crowded or ill ventilated |