Calcium is an essential nutrient for the human body. It is important for maintaining strong bones and teeth, regulating muscle contractions, and supporting nerve function. Calcium also plays a role in blood clotting and hormone secretion. While dairy products are a common source of calcium, other foods such as leafy greens, nuts, and seeds also contain this mineral. It is important to consume enough calcium through diet or supplementation to prevent deficiencies and maintain overall health.

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