Men in the top third for blood calcium levels had 2.68 times the risk of developing fatal prostate cancer later in life compared with those in the bottom third, according to the study.

The answer lies in a simple blood test. We spoke to doctors to learn more about how testing works and what normal blood calcium levels are for each age group.

Calcium deficiency occurs when the level of calcium in the blood is too low; it is referred to as Hypocalcemia. This condition can cause muscle aches, fatigue, and potentially serious ...

However, my calcium level has been at 12-13 mg/dL in every test for the past 20 years. My question is: How much, if any, do my high blood calcium levels contribute to my coronary disease? -- J.L.J.

Many people with osteoporosis need supplemental vitamin D to keep their blood levels in the recommended range, which is 30-48 ng/mL (75-120 nmol/L) for a person with PBC and osteopenia, in my opinion.

However, my calcium level has been at 12-13 mg/dL in every test for the past 20 years. My question is: How much, if any, do my high blood calcium levels contribute to my coronary disease? — J.L.J.