Tag: history

Wait, Radioactive Toothpaste Was a Thing?

RADIATION AND THE harm it can do to humans wasn’t well understood in the early years after it was discovered. There were all kinds of exciting radioactive products for the public to buy, from radioactive water jugs to children’s toys to butter to…toothpaste. Thorium Toothpaste in 1920s Germany A hundred years ago, the German company Auergesellschaft… Read More


Bad Breath: A Big Deal in Medieval England

IN THE MIDDLE AGES, the English didn’t understand much about cavities or gum disease, but they did put a huge emphasis on having fresh breath. Why? Because, not knowing how germs work, they believed it was the actual bad smell that carried disease. The Fresh Breath of Middle English Literary Characters Almost all dental care in… Read More


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