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Normalizing calcium intake: projected population effects for body weight.

Robert P Heaney1

  • 1Creighton University, Omaha, NE, USA. rheaney@creighton.edu

The Journal of Nutrition
|January 7, 2003
PubMed
Summary
This summary is machine-generated.

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Increasing dietary calcium intake is linked to lower body weight and reduced overweight/obesity prevalence in women. Higher calcium intake significantly decreases risks of being overweight or obese.

Area of Science:

  • Nutrition Science
  • Public Health

Background:

  • Calcium intake is inversely associated with body weight.
  • Dietary calcium's role in weight management requires further elucidation.

Purpose of the Study:

  • To evaluate the relationship between calcium intake and body weight/weight gain in women.
  • To estimate the impact of increased calcium intake on overweight and obesity prevalence.

Main Methods:

  • Analysis of published data from 564 women.
  • Calculation of overweight and obesity prevalence based on normal distribution parameters.
  • Assessment of weight gain rates at different calcium intake levels.

Main Results:

  • At lower calcium intakes, 15% of young women were overweight, decreasing to 4% with recommended intake.

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  • Obesity prevalence dropped from 1.4% to 0.2% with increased calcium intake.
  • Weight gain rates in midlife women decreased from 0.42 kg/y to -0.011 kg/y with recommended calcium intake.

    • Conclusions:

    • Calcium intake significantly influences body weight and weight gain.
    • Increasing calcium intake may reduce overweight and obesity prevalence by 60-80%.