
The Brian Lehrer Show 100 Years of 100 Things: US Population & Mortality Shifts; The ERA; New Yorker Cartoons; Roller Coasters
May 23, 2025
Mark Mather, a demographer at the Population Reference Bureau, delves into a century's worth of shifts in U.S. birth and mortality rates, revealing the impact of societal changes. Liza Donnelly, a long-time New Yorker cartoonist, discusses the evolution of iconic cartoons and their cultural reflections. Douglas Barnes, a roller coaster expert, takes listeners on a nostalgic journey through the history of roller coasters, from the beloved wooden rides to modern steel marvels, sparking fond memories of thrills and excitement.
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Shift in Causes of Death
- Leading U.S. causes of death shifted from infectious diseases to chronic diseases over 100 years.
- Cancer, heart disease, and diabetes replaced pneumonia and tuberculosis due to medical progress.
Infant Mortality's Role in Longevity
- Decreased infant mortality was vital to boosting overall life expectancy.
- Infant deaths fell from 1 in 10 to about 1 in 175 today.
Smoking Shaped Gender Longevity Gap
- Smoking rates caused gender life expectancy gaps in the 20th century.
- Men's earlier peak smoking caused earlier mortality; women's later peak narrows the gender gap today.




