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grayness and wrinkling of the skin, and generates corrupted phlegm, and in all complexions they are to be avoided. But for the hot and dry less so, but for all others they are bad, but less so for marine ones, and those which are generated in running waters and stony rivers. Vegetables similarly corrupt the stomach, and generate putrid phlegm,
all these generate putrid humor. But to touch with cold things they make putrefaction increase under the skin, but hot things consume, or oil with vegetal saltpeter: all these things said above increase putrefaction, But those which oppose putrefaction are these:
And if it happens that corrupted phlegm is generated in the body,