Heart health is about more than just the heart itself. It's a two-way street between the heart and the rest of the body. However, many U.S. adults aren't aware of the connection between organs.

Science writer Mary Roach is fascinated by the human body, especially, she says, the "gooey bits and pieces of us that are performing miracles on a daily basis." Take the human heart, for instance. If ...

In two large studies of heart attack survivors, beta-blocker drugs benefited those with mildly impaired heart function Contradictory trial results seen in patients without heart dysfunction More data ...