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Source: Practical American Cookery and Domestic Economy, Hall, 1856.

The next time your child argues about taking a bath, you can cite the indisputable evidence that “during the terrible visitation of cholera in France, out of nearly 16,228 subscribers to the public baths of Paris, Bordeaux, and Marseilles, only two deaths among them were ascribed to cholera.”

And when there’s no hot water left thanks to your teenage daughter, you can relax knowing your cold shower will surely prevent the onset of insanity.