17
With regard to the states of the weather which continue but for a day, that which is northerly, braces the body, giving it tone, agility, and color, improves the sense of hearing, dries up the bowels, pinches the eyes, and aggravates any previous pain which may have been seated in the chest. But the southerly relaxes the body, and renders it humid, brings on dullness of hearing, heaviness of the head, and vertigo, impairs the movements of the eyes and the whole body, and renders the alvine discharges watery.
18
With regard to the seasons, in spring and in the commencement of summer, children and those next to them in age are most comfortable, and enjoy best health; in summer and during a certain portion of autumn, old people; during the remainder of the autumn and in winter, those of the intermediate ages.
19
All diseases occur at all seasons of the year, but certain of them are more apt to occur and be exacerbated at certain seasons.
20
The diseases of spring are, maniacal, melancholic, and epileptic disorders, bloody flux, quinsy, coryza, hoarseness, cough, leprosy, lichen alphos, exanthemata mostly ending in ulcerations, tubercles, and arthritic diseases.
21
Of summer, certain of these, and continued, ardent, and tertian fevers, most especially vomiting, diarrhoea, ophthalmy, pains of the ears, ulcerations of the mouth, mortifications of the privy parts, and the sudamina.
