In TODAY.com's Expert Tip of the Day, a cardiologist explains why neglecting your "second heart" can lead to health ...

Heart failure (HF) is a growing global health concern, affecting more than 64 million people worldwide. It develops when the heart can no longer pump enough blood to meet the body's demands, often due ...

Light exposure at night may disrupt our body's internal clocks, or circadian rhythms, that keep physiological processes ...

Following a heart transplant, patients must undergo surgical biopsies so that clinicians can monitor for signs of organ rejection. A new study shows the promise of a biomarker that could allow doctors ...

Research shows that small extracellular vesicles shed by donor heart cells and circulating T cells provide a precise readout ...

An advanced Johns Hopkins AI model called MAARS combs through underused heart MRI scans and complete medical records to spot hidden scar patterns that signal sudden cardiac death, dramatically ...

ARVC is a genetic disease that weakens heart muscle cells mostly in the right ventricle, causing cells to die and be replaced with fatty or fibrous tissue that prevents the heart from beating ...