[86a]
and it produces diarrhoea and dysentery and all suchlike maladies.When a body has become diseased mainly from an excess of fire, it produces constant inflammations and fevers; when from air, quotidian fevers; when from water, tertian fevers, because that element is more sluggish than air or fire; and when from earth, which is the fourth and most sluggish of the elements and is purged in four-fold periods of time,1 it causes quartan fevers and is cured with difficulty.
1 i.e., the fever recurs after an interval of two days.
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