Sure, you know how to steal hearts, win hearts, and break hearts. But how much do you really know about your heart and how it works? Read on to your heart's content! Put your hand on your heart.

But now, new research has found that drugs like Tylenol could also alter heart function when taken at certain dosages, possibly changing our understanding of just how much could be considered safe.

“I check it out now every now and then.” “This trend makes my heart hurt,” one person admitted. “But I still love it.” To participate in the online trend, head to Google Maps, enter ...

Dr. Mathersul's study, "Emotion regulation and heart rate variability may identify the optimal posttraumatic stress disorder treatment: analyses from a randomized controlled trial," was published ...