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Food intake, dietary patterns, and actinic keratoses of the skin: a longitudinal study

Maria Celia B Hughes1, Gail M Williams, Anny Fourtanier

  • 1Cancer and Population Studies Group, Queensland Institute of Medical Research, Brisbane, Queensland, Australia.

The American Journal of Clinical Nutrition
|February 27, 2009
PubMed
Abstract

Insights

Dietary intake of oily fish and wine may reduce the development of actinic keratoses (AKs), which are premalignant skin tumors. This finding suggests that certain foods can complement sun protection strategies.

Area of Science:

  • Dermatology and Nutritional Science
  • Skin Cancer Research
  • Preventive Medicine

Background:

  • Actinic keratoses (AKs) are common premalignant skin lesions.
  • The influence of diet on AK development is not well understood.
  • Research is needed to identify dietary factors that may prevent AKs.

Purpose of the Study:

  • To investigate if specific food groups or dietary patterns reduce the occurrence of AKs over time.
  • To analyze the relationship between dietary intake and the progression of actinic keratoses.

Main Methods:

  • A community-based study in Queensland, Australia, involving 1119 adults.
  • Dietary intake assessed via validated food-frequency questionnaires in 1992, 1994, and 1996.
  • Actinic keratoses counted during full-body skin examinations in 1992 and 1996; statistical models adjusted for confounding factors.

Main Results:

  • Highest consumers of oily fish showed a 28% decrease in AK acquisition.
  • Highest consumers of wine showed a 27% decrease in AK acquisition.
  • No significant association found between overall dietary patterns and AK acquisition.

Conclusions:

  • Moderate consumption of oily fish and wine may help reduce the development of actinic keratoses.
  • Dietary interventions, particularly oily fish and wine intake, could complement sun protection measures.
  • Further research into diet's role in managing actinic skin tumors is warranted.

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