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Optimal nutrition.

D M Hegsted

    Cancer
    |May 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Defining an optimal diet remains elusive. However, evidence shows the standard American diet is suboptimal, necessitating modifications for chronic disease prevention and management.

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    Area of Science:

    • Nutrition Science
    • Public Health
    • Chronic Disease Epidemiology

    Background:

    • Current dietary guidelines originated from efforts to prevent nutritional deficiency diseases in the mid-20th century.
    • These guidelines predate the understanding of diet's impact on major chronic diseases, which are now leading health issues.
    • The prevailing American diet is demonstrably not optimal.

    Purpose of the Study:

    • To highlight the inadequacy of current dietary recommendations in addressing modern chronic diseases.
    • To advocate for dietary modifications based on emerging evidence linking diet to chronic conditions.
    • To propose sensible dietary changes for the general American population.

    Main Methods:

    • Review of existing scientific literature and data on diet and chronic diseases.

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  • Analysis of risk factors for major health problems such as hypercholesterolemia, cancer, hypertension, obesity, and diabetes.
  • Synthesis of evidence to formulate consistent dietary recommendations.

    • Main Results:

    • Abundant data exists for dietary interventions to manage hypercholesterolemia, a key risk factor for coronary artery disease.
    • Significant information is available linking diet to cancer, hypertension, obesity, and diabetes.
    • Evidence supports the development of consistent dietary recommendations for the majority of Americans.

    Conclusions:

    • While an optimal diet is not yet defined, the current American diet requires modification.
    • Dietary recommendations should evolve to address chronic disease prevention, incorporating data on conditions like heart disease, cancer, and diabetes.
    • Evidence-based dietary changes can promote better health outcomes for the population.