For the first time, scientists have shown that heart muscle cells can regrow after a heart attack in humans, a process that ...

May 5, 2026 Scientists have developed a breakthrough injectable biomaterial that travels through the bloodstream to repair damaged tissue from within, reducing inflammation and jumpstarting healing.

Aortic valve replacement typically requires about 8 weeks for initial recovery, though heavy lifting may be off-limits for up to 12 weeks. Minimally invasive transcatheter aortic valve replacement ...

A new gene therapy can reverse the effects of heart failure and restore heart function in a large animal model. The therapy increases the amount of blood the heart can pump and dramatically improves ...

As the central part of the circulatory system, the heart is responsible for pumping blood, supplying oxygen and nutrients, and removing metabolic waste such as carbon dioxide from all the tissues in ...

A diagonal ear lobe crease (DELC), or Frank’s sign, is a deep crease or wrinkle extending to the earlobe. Some studies suggest this indicates a greater risk for coronary artery disease, which can ...

Heart valve diseases affect how blood flows through the heart muscle. Symptoms of heart valve disease can be subtle or develop slowly over time, with extreme fatigue often being the first sign.

Premature ventricular contraction (PVC) is a type of abnormal heartbeat, or arrhythmia. It happens when the heartbeat begins in the lower, rather than the upper, heart chambers. This creates an ...

What Is a Normal Sinus Rhythm? Normal sinus rhythm is when your heart beats in a regular, organized way. Your body has a built-in pacemaker called the sinoatrial (SA) node, or sinus node. It uses ...

My patients’ concerns about heart failure are usually, “What is my prognosis?” “What are the treatments, like medication and surgery, that are available to me?” But some people will ask me for their ...