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Neoplastic disease through the human life span.

A Macieira-Coelho1

  • 1Macieiracoelho@aol.com

Biogerontology
|November 16, 2001
PubMed
Summary

Cancer incidence varies across the human lifespan, often increasing with age due to accumulated events. Understanding cancer

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Area of Science:

  • Oncology and Gerontology
  • Cancer Biology and Epidemiology
  • Human Lifespan Development

Background:

  • Cancers are diverse diseases with unique evolutionary paths and host responses.
  • Cancer incidence shows regional variations and an increasing trend at younger ages.
  • While many cancers manifest later in life, their origins trace back to earlier stages.

Purpose of the Study:

  • To analyze the temporal patterns of cancer incidence across the human lifespan.
  • To investigate the relationship between aging, accumulated events, and cancer manifestation.
  • To explore potential reasons for the decline in cancer incidence late in life.

Main Methods:

  • Review and analysis of epidemiological data on cancer incidence across different age groups.
  • Correlation of cancer manifestation timing with cumulative life events and aging processes.
  • Exploration of cohort effects and late-life biological factors influencing cancer risk.

Main Results:

  • Cancer incidence is spread across the lifespan, with a notable increase in later years, but originating earlier.
  • Late manifestation appears linked to accumulated events over time, not solely aging.
  • A decline in cancer incidence is observed late in life, suggesting resistance or unique late-life factors.

Conclusions:

  • Neoplastic disease evolution is a continuous process influenced by early aggressions, susceptibility, and developmental changes.
  • Understanding lifespan cancer incidence is crucial for deciphering both cancer and aging.
  • Further research is needed to clarify late-life cancer incidence patterns and their underlying mechanisms.

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