University of California San Diego-led team has discovered that restoring a key cardiac protein called connexin‑43 in a mouse ...

Increasing ketone supply to the heart in mice with heart failure with preserved ejection fraction (HFpEF) allowed their hearts to utilize more ketones and produce more energy, according to preliminary ...

When you’re stressed and anxious, you might feel your heart race. Is your heart racing because you’re afraid? Or does your speeding heart itself contribute to your anxiety? Both could be true, a new ...