It seems too good to be true. A simple and inexpensive treatment for one of the most dreadful conditions around: sepsis. Also known as blood poisoning, sepsis strikes one million Americans every year, killing one-fourth of them. Dr. Paul Marik, chief of pulmonary and critical care at Eastern Virginia Medical School, came up with the idea on little more than a whim. His patient, 48-year-old Valerie Hobbs, was succumbing to sepsis and he had run out of options to save her. It was a desperation shot in the dark: Vitamin C. It worked. Beautifully. Again and again. Valerie spent a...