Theses hasce de renum vesicaeque calculo

XXV.

Men of advanced age are more seized by renal calculi than boys; conversely, boys are more frequently affected by stones of the bladder than the elderly.

XXVI.

Boys are cured more easily than the elderly, and those of middle age occupy a middle ground.

XXVII.

Disorders of the kidneys and bladder are healed with difficulty in the elderly.

XXVIII.

Lying in a supine position is very harmful to those suffering from the stone.

XXIX.

He who vomits often, or enjoys the benefit of the bowels, rarely falls into the stone.

XXX.

Those whose bladder is ulcerated perish if an incision is made for the stone.

XXXI.

Smooth and round stones are easily expelled; oblong and rough ones with difficulty.

XXXII.

In the prevention of the stone, one must strive so that the matter which generates the stone is in no way produced.

XXXIII.

If any has been produced, care must be taken that it does not flow to the kidneys and bladder, but is directed to the intestines.

XXXIV.

But if by chance any of this matter should come to the kidneys, one must strive most earnestly that it does not linger there.

XXXV.

It is necessary to reduce the heat of the kidneys (if it has exceeded its limits), all of which may be performed even by those means by which the cure is accomplished.

XXXVI.

The dietary regimen ought to be attenuating, incisive, and cleansing in quality: therefore, let the food be suitable, such as chicken broth, cream of ptisan, etc., well-leavened bread, the meat of pullets and hens, and rock-fish; among vegetables, chicory, endive, parsley, and celery are suitable; among fruits, almonds, raisins, etc., will be of use.

XXXVII.

A suitable drink is thin white wine, not very old. For sweet and dark wines are harmful to those affected by the stone. It also contributes...