'Silent' heart attacks are very common

"According to U.S. researchers, the medical phenomenon known as the 'silent' heart attacks is likely far more prevalent - and dangerous - than experts had previously suspected. According to current estimates, some 200,000 Americans per year experience these painless heart attacks - known in medical terminology as unrecognized myocardial infarctions - often without even realizing it. Dr. Han Kim of Duke University recently conducted a study on the subject that is set to appear in next week's Public Library of Science Medical journal. According to him, there is reason to suspect that current figures on silent heart attacks may be far too low - redOrbit