Calcium levels can show up likelihood of cardiac attack - The Times 27th March 2008

Measuring calcium deposits in the arteries of the heart is a good predictor of future heart disease, regardless of racial origin, according to a new study. This type of screening is not commonly available on the NHS, but is widely advertised by private CT scanning clinics, who claim that it gives an earlier indication of risk than the classic risk factors of age, whether someone is overweight, smokes, or has high blood pressure or cholesterol.

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