Once a disease has entered the body, all parts which are healthy must fight it: not one alone, but all. Because a disease might mean their common death. Nature knows this; and Nature attacks the disease with whatever help she can muster.
ParacelsusAll things are poisons, for there is nothing without poisonous qualities. It is only the dose which makes a thing poison.
ParacelsusAlterius non sit qui suus esse potest. (Let no man belong to another that can belong to himself.)
Paracelsus