As for the mother of Mrs. L., who still occasionally visits the family, she looks on in silent amazement, hardly knowing whether to recommend any more beer, with all sorts of roots good for the blood in it, or whether to give up the pursuit. I believe, however, that she does not often presume to interfere with their habits. Perhaps she has learned--if not, she may possibly live long enough to acquire the lesson,--to "let well alone," as her children and grandchildren already have. I certainly hope she has. It will conduce greatly to her health and happiness, as well as make her a better citizen and better Christian. CHAPTER XXVIII. POISONING WITH LEAD. Nearly at the beginning of my practice in medicine, I was called to see a fine and hitherto healthy youth, twelve years old, but who had for several weeks before application was made to me, complained of a steady and sometimes severe pain in his bowels, attended with more or fewer febrile symptoms and a loss of appetite. In endeavoring to trace out carefully the causes of his disease, the first thing that attracted my attention was his employment. His father was a blacksmith, and being in moderate circumstances and destitute of any other help besides this son, had for a considerable time required him to perform the work of an adult, or nearly such. It had not been suspected at the time, that the work injured him, though he had sometimes complained of great fatigue, and of a slight weakness and uneasiness in the place where the pain had now become fixed. As the result of my investigations, I came to the conclusion that he had been overworked, and certain ligaments of the bowels had been weakened. My treatment in the case was at first mild and palliative, in the hope that after a few days of rest the trouble would disappear. Instead of this, however, it grew worse. At my special request, various counselling physicians were called in; but I do not know that they were of any service to me. No new light was thrown on the case, though we could all converse very learnedly on the subject. Like many other young practitioners, I was at that time apt to indulge in gloomy fears about poisons. I seldom had a case of acute disease, without suspecting their influence. I suspected poison now, and accordingly made search into every possible nook and corner whence such an influence could possibly have emanated. For a long time nothing could be found.