 In this section, she gives specific instructions for bleeding based on various factors, including gender, the phase of the moon (bleeding is best done when the moon is waning), the place of disease (use veins near diseased organ or body part) or prevention (big veins in arms), and how much blood to take (described in imprecise measurements, like "the amount that a thirsty person can swallow in one gulp").She even includes bleeding instructions for animals to keep them healthy.In the third and fourth sections, Hildegard describes treatments for malignant and minor problems and diseases according to the humoral theory, again including information on animal health.