Accurately measuring electrical signals and calcium levels in the heart can lead to earlier treatment of potentially fatal conditions, such as heart attack or congestive heart failure. Calcium plays ...

A new study has found that during exercise, the vagus nerve, essential to the body’s ‘rest and digest’ response, has a more important role in heart function than we thought. The findings could be ...

Key Takeaways Strong heart health means your heart and blood vessels, aka your cardiovascular system, are working efficiently ...

Cardiologists and radiation oncologists at Washington University School of Medicine in St. Louis pioneered the use of radiation therapy - a strategy typically used against cancer - to treat patients ...

Maintaining a stable heartbeat is critical for survival. Your heart must constantly adapt its output to meet changing demands for oxygen and nutrients. Traditionally, scientists have attributed this ...

Your heart might be functioning as if it’s decades older than your chronological age, particularly if you carry excess weight or live with chronic health conditions. The concept of “functional heart ...

While a person may need medication or surgery to manage heart valve disease, incorporating exercise into a treatment plan can offer additional benefits. It can increase heart function and fitness.

A heart PET scan is a noninvasive imaging test that uses a small amount of radiation. It helps doctors understand how the heart functions and whether it is healthy. Cardiac or heart PET scans create ...