The Claim

Cancer mortality rates in the United States declined by 34% from 1991 to 2022, averting approximately 4.5 million deaths, primarily due to reductions in smoking, earlier cancer detection, and improved treatments.

Source: Cancer statistics, 2025

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
39score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Cause and effect
1 study reviewed
In plain English

Fewer people in the U.S. are dying from cancer now than in the past, mainly because fewer people smoke, cancer is caught earlier, and treatments have gotten better.

See the scientific wording

Cancer mortality rates in the United States declined by 34% from 1991 to 2022, averting approximately 4.5 million deaths, primarily due to reductions in smoking, earlier cancer detection, and improved treatments.

What the research says

1 study
  1. Study: Cancer statistics, 2025

    The study says exactly what the claim does: cancer deaths dropped a lot since 1991 because people smoked less, found cancer earlier, and got better treatments, saving about 4.5 million lives.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.