Thus , when she approached medicine as a type of gardening , it was not just as an analogy .
Viriditas , or greening power , was thought to sustain human beings and could be manipulated by adjusting the balance of elements within a person .
When she approached medicine as a type of gardening , it was not just as an analogy .
Viriditas , or greening power , was thought to sustain human beings and could be manipulated by adjusting the balance of elements within a person .