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Healthgrades Editorial Staff

What is hypercalcemia?

Calcium is an essential mineral that plays a vital role in many different bodily functions. For example, strong bones require constant metabolism of calcium to generate bone matrix. The healthy parathyroid glands regulate the amount of calcium that circulates in the blood. Hypercalcemia is a condition in which the blood has too much calcium. Calcium is a mineral that is essential for many aspects of health, including the health of bones and teeth and a normal heart rhythm. Calcium is also required for muscle contractions and relaxation, nerve and hormone function, and blood pressure regulation.

Calcium must be consumed in your diet, absorbed by your digestive system, and eliminated or removed from your body effectively, in order to maintain optimal health. Most people get calcium by eating a variety of foods rich in calcium. Foods that naturally contain calcium include milk and other dairy products; green, leafy vegetables; seafood; nuts; and dried be