The Studies Show Episode 79: Cancer rates
Jul 22, 2025
The podcast dives into the confusing narratives about cancer rates, revealing a rise among younger populations while overall mortality declines. Discussions touch on the alarming statistics of early-onset cancers and the role of vaccines, such as the HPV vaccine, in lowering rates. The hosts explore the complex links between smoking, vaping, and cancer mortality, along with the influence of various viruses. They also critique the portrayal of cancer survival rates in the media, all while maintaining a blend of humor and serious insights.
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Cancer Incidence Trends
- Global new cancer cases rose 83% from 2002 to 2022, but population increase and aging explain much of it.
- Age-standardized cancer incidence rates have slightly declined, indicating cancer risk at a given age is stable or improving.
Cancer Death Rates Falling
- Age-standardized cancer death rates in the U.S. rose modestly until 1990, then fell significantly by 2021.
- An American now has about a 33% lower chance of dying from cancer than a same-age person in 1950.
Smoking Drives Lung Cancer Trends
- Lung cancer mortality closely follows smoking rates with a approximately 30-year lag.
- Declines in smoking have driven most lung cancer incidence and mortality reductions.