Other times, problems such as an electrolyte imbalance (for example, not having enough potassium, magnesium or calcium in your body), flat feet, diabetes, thyroid abnormalities, certain medications, alcohol or Parkinson's disease may be the cause.

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Some end up in the milk supply (Strontium-90) and will behave as calcium, collecting in your bones and contributing to bone cancer and leukemia.

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"I think the two biggest public health messages are to supplement calcium with diet and keep your weight down, " said Dr. Rosen, explaining that excess weight can drive down vitamin D levels.

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This may result from abnormal heart rhythms (arrhythmias) or an imbalance of electrolytes minerals such as sodium, potassium and calcium that maintain the balance of fluids in your body.

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After the stress test, your cardiologist may or may not opt to have you undergo another type of CT test called a Calcium-score Screening Heart Scan.

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