Medical References in Sermons 22

This one is in Volume 6 Sermon 19 on Psam 38:5

David felt the danger of his disease, as well as the loathsomeness attending it. Wounds are generally dangerous, especially where they become malignant through neglect; and such also are mortified corruptions, when they have long been suffered to prevail. Nothing endangers the soul like sin, indeed nothing but sin. A continually running sore, like a consumptive habit of body, gradually impairs the strength of the whole frame, till at length we sink into the arms of death. Sin is called the plague of the heart, to denote that it is as dreadful and as fatal as the disease with which it is compared. Where it is repented of and subdued it shall not destroy the soul; nevertheless it will destroy its comforts ...