Related Experiment Video
Updated: Jun 3, 2026

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
Published on: January 29, 2018
Calcium nutrition in adolescence.
Marta Mesías1, Isabel Seiquer, M Pilar Navarro
1Unidad de Nutrición, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, Armilla, Granada, Spain. mmesias@ugr.es
Adolescents need adequate calcium for bone growth and to prevent future osteoporosis. Most young people do not consume enough calcium, highlighting a critical public health concern.
Area of Science:
- Nutrition Science
- Public Health
- Adolescent Health
Background:
- Adolescence is a critical period for bone development, with increased calcium requirements.
- Inadequate calcium intake during adolescence is common globally and can lead to long-term health issues like osteoporosis.
- Pubertal hormonal changes enhance mineral utilization, necessitating sufficient dietary calcium.
Purpose of the Study:
- To emphasize the importance of adequate calcium intake during adolescence for achieving peak bone mass.
- To highlight the public health implications of insufficient calcium consumption in young people.
- To advocate for dietary education and lifestyle modifications to optimize calcium utilization.
Main Methods:
- This study is a review of existing literature on adolescent nutrition and bone health.
- It synthesizes information regarding calcium requirements, dietary habits, and health outcomes.
- No new experimental data was collected; analysis is based on established scientific knowledge.
Main Results:
- Adolescents have significantly elevated calcium needs due to rapid bone and muscle growth.
- Most adolescents worldwide do not meet the recommended daily calcium intake.
- Insufficient calcium intake compromises the development of optimal peak bone mass, increasing osteoporosis risk.
Conclusions:
- Adequate calcium intake during adolescence is crucial for building strong bones and preventing adult osteoporosis.
- Educational initiatives promoting balanced diets and healthy lifestyles are essential for improving calcium utilization in adolescents.
- Addressing the widespread issue of low calcium intake is vital for public health and reducing the future burden of osteoporosis.
Related Concept Videos
Skeleton and Calcium Homeostasis
Essential Minerals for 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...
Hormones and Bone Tissue
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
Role of Vitamins in Maintaining Bone Health
Vitamin A
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.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
Bone Disorders
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...
Changes in the Appendicular Skeleton with Age
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...