11.   Occasionally they can be a manifestation of a low serum calcium level, abnormal thyroid level or even a fungal infection in the nail bed.

12.   The calcium hardness level, Cox said, is the measure of how hard or soft the water is.

13.   These steroids remove calcium from bone, however, and we try to avoid them in individuals who have osteoporosis where the calcium level in bone is already low.

14.   Water in a cup of gypsum to each plant to bring up the calcium level.

15.   When the parathyroid gland is overactive, the blood calcium level increases, which can affect the heart and other organs.

16.   When the parathyroid gland is overactive, the blood calcium level increases, which can affect the heart and other organs of the body.

17.   High calcium levels produce enzymes that break up proteins -- in this case, nipping the ends off the TnI proteins that help a heart beat, Murphy explained.

18.   Ordinary vitamin D produces dangerously high calcium levels if taken in large quantities.

19.   When calcium levels get high enough, calcineurin activates yet another protein, which in turn switches on the genes that cause heart enlargement.