Cold Weather May Up Risk of Stroke, Severe Heart Attack for Some

But more study needed to determine what strategies might cut those risks


Knee, Hip Replacement Surgeries Linked to Heart Risks

Odds are highest in the month following the procedure, study finds


Naps May Do a Heart Good

Study found they lowered blood pressure in patients, were linked to better heart and vessel health


Two Measures of Heart Health May Hint at Seniors' Independence

Researchers eye earlier detection of decline


Wireless Pacemaker Shows Promise in Early Trial

Though it can be placed in heart without surgery, unlike tradtional devices, some safety concerns remain