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[DOHaD: epidemiological researches].

Cyrille Delpierre1, Johanna Lepeule2, Sylvaine Cordier3

  • 1Équipe cancer et maladies chroniques : inégalités sociales de santé, accès primaire et secondaire aux soins, UMR1027, université Toulouse III, 37, allées Jules Guesde, 31069 Toulouse, France.

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Summary
This summary is machine-generated.

Early life exposures, from chemicals to pollution, impact long-term health. Epigenetic mechanisms are key to understanding how these environmental factors affect health over time.

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Area of Science:

  • Developmental Origins of Health and Disease (DOHaD)
  • Environmental Health
  • Epigenetics

Background:

  • Epidemiological studies suggest early life environmental exposures influence child and adult health.
  • Factors include chemical (pesticides), physical (air pollution), nutritional, and psychosocial environments.
  • Understanding the long-term health impacts of these exposures is crucial.

Purpose of the Study:

  • To review the role of the early environment in health outcomes.
  • To highlight challenges in disentangling environmental factors and identifying critical exposure periods.
  • To explore potential biological mechanisms, particularly epigenetics, linking environment and health.

Main Methods:

  • Review of epidemiological research in Developmental Origins of Health and Disease (DOHaD).
  • Discussion of various environmental exposure types.
  • Exploration of proposed biological mechanisms.

Main Results:

  • Evidence supports a role for diverse early-life environmental exposures in shaping health.
  • Identifying specific factors and critical windows of exposure remains challenging.
  • Epigenetic mechanisms are increasingly implicated in mediating environmental effects on health.

Conclusions:

  • The early environment significantly influences health trajectories.
  • Further research is needed to elucidate specific mechanisms and critical exposure periods.
  • Epigenetics offers a promising framework for understanding environment-health interactions.