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Background use increased throughout the 19 th century corresponding to increasing industrialization. Peaks coinciding with World Wars 1 and 2 were apparent. Strong correlations with the words “conflict”, “warfare” and “industry” were seen. Mean shifts corresponded to public health legislation in the UK and the introduction of antibiotics. Interpretation & conclusion: This study illustrates how examination of word usage can illuminate aspects of disease occurrence where official data sources are lacking.
Mark Walker (Thu,) studied this question.