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Prospects for cancer prevention.

L R Ferguson1

  • 1Auckland Cancer Society Research Centre, Faculty of Medicine and Health Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand. l.ferguson@auckland.ac.nz

Mutation Research
|October 13, 1999
PubMed
Summary

Cancer prevention guidelines can be enhanced with specific advice on phytochemicals from whole wheat and wheat bran, rather than just fiber. Some supplements may help only in cases of vitamin deficiency.

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Area of Science:

  • Nutritional Science
  • Oncology
  • Preventive Medicine

Background:

  • Current cancer prevention guidelines recommend avoiding carcinogens and maintaining a healthy lifestyle.
  • Existing recommendations include general advice on fruit, vegetable, and dietary fiber intake.
  • Emerging research suggests more specific dietary recommendations may be beneficial.

Purpose of the Study:

  • To evaluate the potential benefits of specific phytochemicals and dietary components for cancer prevention.
  • To refine current cancer prevention advice based on recent scientific evidence.
  • To explore the role of specific food groups and supplements in reducing cancer risk.

Main Methods:

  • Review of animal studies and human intervention trials on diet and cancer.
  • Analysis of data on the effects of specific fruits, vegetables, and whole grains (e.g., wheat bran).
  • Examination of evidence regarding multivitamin supplementation and chemopreventive drugs.

Main Results:

  • Specific fruits and vegetables (e.g., tomatoes, broccoli) may offer targeted cancer protection.
  • Phytochemicals in wheat bran, not dietary fiber itself, show potential benefits.
  • Multivitamin supplementation may be effective only in vitamin-deficient populations; high-dose beta-carotene can increase risk in some groups.

Conclusions:

  • Cancer prevention advice should emphasize specific phytochemical sources like whole wheat and wheat bran over general fiber recommendations.
  • Targeted dietary interventions and further research into chemopreventive agents are warranted.
  • Caution is advised with certain supplements, as they may increase risk in specific populations.

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