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Updated: Jan 22, 2026

Author Spotlight: Accessible M&M-Based Mouse Model for Investigating Binge Eating Disorder - Insights into Eating Behaviors, Anxiety, and Neural Mechanisms
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Calcium Intake and Health.

Gabriela Cormick1,2,3, Jose M Belizán4

  • 1Department of Mother and Child Health Research, Institute for Clinical Effectiveness and Health Policy (IECS-CONICET), Emilio Ravignani 2024, Buenos Aires 1414, Argentina. gabmick@yahoo.co.uk.

Nutrients
|July 18, 2019
PubMed
Summary

Addressing calcium intake inequities is crucial for public health. Increasing daily calcium intake by 400-500 mg can mitigate health disparities and improve outcomes like blood pressure and bone health.

Keywords:
calciumcalcium intakefortificationhealthhypertensive disorders

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Area of Science:

  • Nutrition Science
  • Public Health
  • Cardiovascular Health

Background:

  • Significant disparities in calcium intake exist between high-income and low-income populations.
  • Adequate calcium intake offers numerous health benefits, including reduced risks of hypertension, osteoporosis, and colorectal adenomas.
  • Concerns regarding calcium supplementation side effects, such as renal stones and myocardial infarction, have been largely refuted by studies.

Purpose of the Study:

  • To highlight the health benefits of appropriate calcium intake.
  • To address the mechanisms linking low calcium intake to elevated blood pressure.
  • To propose strategies for reducing calcium intake disparities at a population level.

Main Methods:

  • Review of existing literature on calcium intake, health outcomes, and supplementation.
  • Analysis of mechanisms involving parathyroid hormone and intracellular calcium in blood pressure regulation.
  • Population-level assessment of calcium intake gaps between different economic groups.

Main Results:

  • Appropriate calcium intake is associated with reduced hypertensive disorders of pregnancy, lower blood pressure in youth, osteoporosis prevention, and improved cholesterol levels.
  • Low calcium intake is linked to elevated parathyroid hormone, leading to vasoconstriction and increased blood pressure.
  • Studies have not supported claims of significant negative side effects from calcium supplementation in older adults.

Conclusions:

  • An increase of approximately 400-500 mg of calcium per day could substantially reduce intake differences between high- and middle-low-income countries.
  • Food and water fortification are identified as viable strategies to achieve population-level increases in calcium intake.
  • Further attention is needed regarding bone resorption in postpartum women following calcium supplementation withdrawal.