Theses de lienteria

XIX.
For sometimes a cold and moist intemperance, established in the very constitution of the body, so weakens the innate heat that, with debility and the impotence of retaining food having been excited, a most raw flux follows.

XX.
Sometimes, due to a long-resident acidic, or cold, thick, and viscous phlegm, which fills the wrinkled and sinuous parts, food flows out because smoothness has been induced.

XXI.
Sometimes phlegm flowing from the brain and other parts of the body, as happens in dropsy, causes lientery. For adhering to the tunics of the stomach, and having reconciled a cold intemperance and laxity, it harms retention, which relies on the temperament of dryness and a certain heat, by which the fibers are contracted.

XXII.
A solution of continuity, or ulceration in the surface of the stomach and intestines, not unlike what is called dais a dividing or rending in Greek, is caused by the biting of thin and sharp humors. Whence it necessarily happens that as foods pass through, the excoriated parts, because of the exquisite sense of pain, as if about to lay down a burden, irritate the expulsive faculty.

XXIII.
Procatarctic External or antecedent causes provide the occasion for the aforementioned causes; among which air holds the first place, which by reason of place or time excels in excessive cold or heat; similarly also the perverse constitution of the sky, which has often excited a popular lientery.

XXIV.
The remaining causes are diet that is either humecting, emollient, and laxative, or cooling, or eroding through acrimony, putrefaction, and poisonousness. Frequent exercise after food, vigils,