A new study shows that the sinoatrial node (SAN) -- a small but powerful structure in the human heart that serves as its natural pacemaker and initiates every normal heartbeat -- runs on different ...

Heart attacks don’t always look the same — and a new study from Mayo Clinic highlights the key differences between how they affect men and women. The most common cause of heart attacks overall is ...

Wake Forest University School of Medicine has been awarded a 10-year, $49.5 million contract from the National Heart, Lung ...

For decades, doctors and researchers have puzzled over a basic heart rhythm mystery: Why do women tend to have faster heartbeats while men are more likely to develop irregular rhythms like atrial ...

The brain and vagus nerve play a key role in exacerbating tissue damage after a heart attack, but there are ways to block it.

Night owls face increased heart risks. A study found those active late at night have poorer heart health. This is due to a ...

When the heart’s muscle is weakened or injured due to a heart attack, it can make it hard for the heart to pump enough blood ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Experiencing one cardiac event is scary, and subsequent hesitation to return to normal life, especially ...

As scientists uncover the hidden threads linking kidney dysfunction and heart failure, patients may soon benefit from earlier diagnoses and targeted treatments that could save lives. It's imperative ...