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Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
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Related Experiment Video

Updated: Sep 16, 2025

Determining Gender-Based Differences in Retinal and Choroidal Thickness in Underweight Individuals via Swept-Source Optical Coherence Tomography
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Magnesium: Exploring Gender Differences in Its Health Impact and Dietary Intake.

Elisa Mazza1, Samantha Maurotti1, Yvelise Ferro2

  • 1Department of Clinical and Experimental Medicine, University "Magna Græcia" of Catanzaro, 88100 Catanzaro, Italy.

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Summary

Sex differences significantly impact magnesium metabolism and health outcomes. Understanding these variations is crucial for personalized nutrition and disease prevention strategies, especially concerning hormonal influences.

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gender differenceshormonal regulationmagnesiummagnesium bioavailabilitysex-specific metabolism

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Area of Science:

  • Nutritional Science
  • Human Physiology
  • Endocrinology

Background:

  • Magnesium (Mg2+) is vital for neuromuscular function, glucose metabolism, cardiovascular health, and bone integrity.
  • Sex-specific differences in magnesium metabolism, requirements, and health impacts are largely unexplored.
  • Magnesium's role in physiological processes underscores the need to investigate gender-based variations.

Purpose of the Study:

  • To review and analyze sex-based differences in magnesium homeostasis.
  • To focus on hormonal regulation, body composition, and disease susceptibility related to magnesium.
  • To explore gender-specific aspects of magnesium intake, status, metabolism, and supplementation.

Main Methods:

  • A narrative review of clinical trials from the past 15 years.
  • Non-systematic MEDLINE search conducted in January 2025.
  • Prioritization of human subjects and gender-specific magnesium research.

Main Results:

  • Hormonal fluctuations, especially estrogen, influence magnesium absorption, distribution, and retention across life stages.
  • Dietary intake and lifestyle factors differ between sexes, impacting magnesium status.
  • Suboptimal magnesium may differentially affect osteoporosis, cardiovascular disease, and metabolic disorders in men and women.

Conclusions:

  • Acknowledging sex-specific magnesium metabolism is essential for personalized nutrition and therapeutic strategies.
  • Tailored nutritional approaches can improve magnesium status and overall health.
  • Understanding these differences can reduce the burden of magnesium-imbalance-related chronic diseases.