Why did life expectancy increase in the 20th century

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  • Why did life expectancy increase in the 20th century
    • Louis Pastuer- Germ Theory 1861
    • Huge improvements in the treatment of illnesses
    • Increased medical knowledge
    • Many vaccinations produced
    • Emergence of a welfare state
    • Technological advances: xrays, microscopes
    • Less cramped unhygienic conditions
    • NHS 1948

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