The Discovery of the Germ

The Discovery of the Germ

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Charts how, why, and by whom germ theory was transformed from a hotly disputed speculation to a central tenet of modern medicine.

The Germ Theory of Disease

The Germ Theory of Disease

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From ancient times until the early nineteenth century, many medical practitioners believed that the body contained four humors: blood, yellow bile, black bile,

Germ Theory Edition, 2nd Edition

Germ Theory Edition, 2nd Edition

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Since prehistoric times, people have wondered what causes disease. Early people blamed evil spirits. Later, disease was thought to be caused by an imbalance of

Plague Time

Plague Time

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"In Plague Time, Ewald puts forth an astonishing and profound argument that challenges our modern beliefs about disease: it is germs - not genes - that mold our