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Role of Calcium in Bone Health

Calcium plays a crucial role in maintaining optimal bone health. It is a mineral that is essential for the development, growth, and maintenance of strong and healthy bones throughout life.

Calcium Absorption

When calcium is consumed through the diet, it is absorbed in the small intestine and then transported to various tissues and organs, including the bones. Adequate levels of vitamin D are necessary for efficient calcium absorption.

Bone Formation and Structure

Calcium is a major component of the mineralized matrix that gives strength and structure to bones. It combines with other minerals, such as phosphorus, to form hydroxyapatite crystals, which provide rigidity and hardness to the bones.

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Bone Remodeling

Throughout life, bone tissue undergoes a continuous process of remodeling, which involves the removal of old or damaged bone and the formation of new bone. Calcium is required for both bone resorption (removal) and bone formation during this remodeling process.

Prevention of Osteoporosis

Osteoporosis is a condition characterized by low bone density and increased risk of fractures. Adequate calcium intake, along with other nutrients like vitamin D and magnesium, is crucial for preventing osteoporosis and maintaining bone health.

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Calcium Sources

Calcium can be obtained from various dietary sources, including dairy products (milk, cheese, yogurt), leafy green vegetables (such as broccoli and kale), fortified foods (such as cereals and orange juice), and supplements.

It is important to note that while calcium is essential for bone health, excessive intake can lead to health problems, such as kidney stones. Therefore, it is recommended to consult with a healthcare professional to determine the appropriate calcium intake for individual needs.

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