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Dietary intake and bone mineral density.

R M Angus1, P N Sambrook, N A Pocock

  • 1Garvan Institute of Medical Research, St. Vincents Hospital, Sydney, NSW, Australia.

Bone and Mineral
|July 1, 1988
PubMed
Summary

Dietary factors beyond calcium influence bone mass. Iron, magnesium, and alcohol intake positively predict bone mineral density and content in women, suggesting broader nutritional impacts on skeletal health.

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Area of Science:

  • Nutrition Science
  • Bone Health
  • Osteoporosis Research

Background:

  • Osteoporosis is a significant health concern in Western countries.
  • Dietary factors are widely implicated in osteoporosis development.
  • The specific impact of various nutrients on bone mass requires further elucidation.

Purpose of the Study:

  • To investigate the influence of 14 dietary nutrients on bone mass in Caucasian women.
  • To assess the relationship between nutrient intake and bone mineral density (BMD) in the proximal femur, spine, and forearm bone mineral content (BMC).

Main Methods:

  • 159 Caucasian women (aged 23-75 years) had their intake of 14 nutrients measured.
  • Bone mineral density (BMD) of the hip and spine was measured using dual and single photon absorptiometry, respectively.
  • Forearm bone mineral content (BMC) was measured using single photon absorptiometry.

Main Results:

  • No significant correlation was observed between current calcium intake and bone mass at any measured site.
  • Iron intake positively predicted femoral neck BMD and forearm BMC in premenopausal women.
  • Alcohol intake positively predicted trochanteric region BMD in premenopausal women.
  • Magnesium intake was positively correlated with forearm BMC in both premenopausal and postmenopausal women.

Conclusions:

  • Dietary factors other than calcium significantly influence bone mass.
  • Specific nutrients like iron, magnesium, and alcohol may play crucial roles in maintaining bone health.
  • Findings highlight the importance of a comprehensive dietary approach to osteoporosis prevention and management.

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