[p. 89] caused his sickness, so much so that a change to weather of a naturally worse sort may be, in his condition, salutary.
The middle period of life is the safest, for it is not disturbed by the heat of youth, nor by the chill of age. Old age is more exposed to chronic diseases, youth to acute ones. The square-built frame, neither thin nor fat, is the fittest; for tallness, as it is graceful in youth, shrinks in the fulness of age; a thin frame is weak, a fat one sluggish.
In spring those diseases are usually to be apprehended which are stirred up anew by movement of humor. Consequently there tend to arise runnings from the eyes, pustules, haemorrhages, congestions in the body, which the Greeks call apostemata, black bile which they call μελανχολίαν, madness, fits, angina, choked nostrils, runnings from the nose. Also those diseases which affect joints and sinews, being at one time troublesome, at another quiescent, then especially both begin and recur.
But summer, while not wholly exempt from most of the foregoing maladies, adds to them fevers whether continued or ardent or tertian, vomitings, diarrhoeas, earaches, oral ulcerations, cankers which occur on other parts but especially upon the pudenda, and whatever exhausts the patient by sweating.
In autumn there is scarcely one of the foregoing which does not happen; but at this season in addition there arise irregular fevers, splenic pain, subcutaneous dropsy, consumption, called by the Greeks phthisis, urinary difficulty, which they call strangury, the