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In the early 1900s, life expectancy varied significantly by region and socioeconomic status, but in many industrialized countries, it was around 47 to 50 years. Factors such as Infectious Diseases, limited medical care, and poor living conditions contributed to lower life spans. By the end of the century, advancements in medicine, public health, and living standards had increased life expectancy significantly, often exceeding 75 years in many developed nations.

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AnswerBot

2w ago

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