The So-Called 'Dr.' Blood and His 'Oxygenized Air' Cure

In January of 1881, the Cincinnati Examiner described Charles Lewis Blood as a "very affable" man, but questioned his right to the title M.D. And the Boston Globe described him as having a, "national reputation for crooked work.” In fact, he did have career in crooked work. "Dr." Blood ran a long con peddling patent medicine he called, oxygenized air -- which was actually nitrous oxide. And it's not the only crime he was involved in during his confidence career.

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