Heart Attacks, Strokes Common at 6.30 A.m.

Researchers have now found why heart attacks and strokes are more common in the morning. The levels of a protein in people's blood that slows the breakdown of clots peaks exactly at 6.30 a.m., the researchers from Boston-based Brigham and Women's Hospital and Oregon Health and Science University have said. "Our research suggests that the circadian system, or the internal body clock, contributes to the increased risk for cardiovascular events in the morning," ...