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The relation between psychological factors and DNA-damage: a critical review

Yori Gidron1, Katie Russ, Harilaos Tissarchondou

  • 1University of Southampton, UK. Y.Gidron@uvt.nl

Biological Psychology
|January 13, 2006
PubMed

Insights

Psychological factors like stress and depression are linked to DNA damage. This review of 21 studies shows causal links in animals and correlations in humans, moderated by gender.

Area of Science:

  • Psychoneuroimmunology
  • Molecular biology
  • Health psychology

Background:

  • Psychological factors can influence disease etiology and prognosis.
  • Understanding the link between psychological states and DNA damage is crucial for disease research.
  • DNA damage at the cellular level is fundamental to diseases like cancer and heart disease.

Purpose of the Study:

  • To critically review existing research on the relationship between psychological factors and DNA damage.
  • To synthesize findings from animal and human studies.
  • To explore potential mechanisms and clinical implications.

Main Methods:

  • Systematic review of 21 studies involving animals and humans.
  • Analysis of studies investigating psychological factors (e.g., stress, depression, coping) and DNA damage markers.
  • Mapping human findings onto a stress, coping, and health model.

Main Results:

  • Demonstrated causal relationships between acute stressors and DNA damage in animal models.
  • Identified significant correlations between psychological factors and DNA damage in humans.
  • Observed that gender moderates the relationship between psychological factors and DNA damage.

Conclusions:

  • Psychological factors demonstrably impact DNA damage.
  • Evidence supports a link between mental health, stress, and cellular damage.
  • Further research is needed to elucidate mechanisms and clinical applications, considering gender differences.

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