Heartwire - Episode 144: Exercise worsens a CV risk factor in 10% of people; don't give up on HDL, researchers plead; major bleeding with aspirin in primary prevention underestimated; dietary calcium better than supplements; more evidence dark chocolate i

Summary: For the week ending June 8, 2012 we discuss the following top cardiology news from heartwire: Exercise worsens a CV risk factor in 10% of people • Don't give up on HDL, researchers plead • Major bleeding with aspirin in primary prevention underestimated • Dietary calcium better than supplements for CVD safety, latest research suggests • More evidence dark chocolate is cardioprotective And also, in brief: • Rhythm control "worth a try" in AF patients, new study hints • Even low TnT rises predict death after noncardiac surgery • North Carolina pioneers "pit-crew" approach to STEMI response that can work anywhere Join us for a comprehensive review of this week's most important cardiology news.