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Related Concept Videos

Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

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The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
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Bone Disorders01:29

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
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The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

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Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
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Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

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The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
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Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
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Aging01:26

Aging

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Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
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Mitochondria01:37

Mitochondria

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Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
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Related Experiment Video

Updated: Apr 1, 2026

Ex Vivo Assessment of Contractility, Fatigability and Alternans in Isolated Skeletal Muscles
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Magnesium and healthy aging.

Nicola Veronese1, Bruno Micael Zanforlini1, Enzo Manzato1

  • 1Department of Medicine (DI-MED), Geriatrics Division, University of Padova, Padova, Italy.

Magnesium Research
|October 9, 2015
PubMed
Summary

Magnesium levels decrease with age, suggesting potential as a biomarker of aging. However, current measurement methods face limitations, hindering clinical application.

Area of Science:

  • Biochemistry
  • Gerontology
  • Biomarker Research

Background:

  • Magnesium (Mg) is crucial for cellular function and generally stable intracellularly.
  • Mg levels show a linear decrease with advancing chronological age.
  • A biomarker of aging predicts functional capability independent of disease.

Purpose of the Study:

  • To investigate the potential of magnesium as a reliable biomarker of aging.
  • To evaluate the feasibility and limitations of current magnesium assessment methods for aging.

Main Methods:

  • Review of existing literature on magnesium levels and aging.
  • Assessment of invasive (biopsies) and non-invasive (blood, urine) magnesium measurement techniques.
  • Consideration of advanced imaging techniques like nuclear magnetic resonance.
Keywords:
aginghealthymagnesiummarker

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Main Results:

  • Bone and muscle Mg content are potentially useful but limited by invasive biopsy requirements and heterogeneous distribution.
  • Urinary Mg assessment, even with loading tests, presents practical challenges.
  • Blood Mg markers are unreliable due to dependence on renal function and failure to reflect intracellular status.
  • Advanced methods like nuclear magnetic resonance show promise but lack widespread availability.

Conclusions:

  • Current methods for assessing magnesium as a biomarker of aging are limited by invasiveness, reliability, or availability.
  • Further research into standardized and accessible magnesium assessment techniques is needed to validate its role in aging.
  • Magnesium's potential as an aging biomarker requires development of more practical and accurate measurement strategies.