Silent MI More Common Than Suspected; FDA Approves First A1C Test for Diagnosing Diabetes; Cash Back for Eating Better; Counting the Real Calories

Silent myocardial infarction (MI) has been a clinical mystery. The lack of unequivocal signs and symptoms makes silent MI hard to diagnose, which means the prevalence is also hard to determine. Moreover, say researchers from University Hospital Basel in Switzerland, silent MIs represent "missed opportunities" to start at-risk patients on statins and other preventive therapies.