DrHood's plain talks about the human system : the habits of men and women - the causes and prevention of disease - our sexual relations and social natures - embracing common sense medical . ourth day the temperature practically neverrose above the normal, and all cause for anxiety was at an end. As we have seen, the normal temperature of the body—the point at which thearrow is placed on our clinical thermometers—is 9 4-4° F.; but the temperature atdifferent periods of the day, and under the diverse conditions to which we are ex-posed, may, and ordinarily does, range somewhat on eith
DrHood's plain talks about the human system : the habits of men and women - the causes and prevention of disease - our sexual relations and social natures - embracing common sense medical . ourth day the temperature practically neverrose above the normal, and all cause for anxiety was at an end. As we have seen, the normal temperature of the body—the point at which thearrow is placed on our clinical thermometers—is 9 4-4° F.; but the temperature atdifferent periods of the day, and under the diverse conditions to which we are ex-posed, may, and ordinarily does, range somewhat on either side of that point withoutindicating any departure from health. There is, in fact, a diurnal range of tempera*ture. The temperature reaches its highest point about 9 , and continues muchthe same during the chief part of the day; whilst in the evening it uniformly andgently falls, and remains at its lowest depression during several hours of the night;but subsequently, in the early morning hours, it again uniformly and quickly is well illustrated by the accompanying chart of the temperature of a healthyboy, taken at hourly or half-hourly intervals for a period of two Mmger and Stuart.] [Proceedings ofths Royal Socisty, 1877. Fig. 15.—THB DITONAL RANGE OF TEHPEBATUBB IS HEALTH; This diurnal rise and fall constitutes the only great variation. In young peoplethe evening fall usually begins between 5 and 7 , but exceptions sometimes occur,for the evening fall may begin either before or after the time stated. The fall, THE TEMPERATURE IN HEALTH. 593 however, happens more frequently before this time than after. The morning riseusually begins between 3 and 7 , and is completed by 9 After this hour thetemperature usually remains at much the same height until the evening fall daily variation in old people is considerably less than that of young people; infact, the variation in persons over forty is only half that of persons under twe
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