The controversy may have died down over whether women should have routine mammograms (they should, say most experts). But now comes news that the X ray may offer an entirely new benefit: detecting heart disease. Tiny calcium deposits in the breast's arteries may be an early sign of trouble in the arteries of the heart. In a 10-year study presented last week to the Radiological Society of North America, Mayo Clinic researchers reported a 20% increase in the risk of heart disease in women with a significant number of breast-arterial calcifications. (These calcifications--streaky white lines on a mammogram--are not to be...
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