In a scientific “first,” a tiny heart structure composed of human cells has been successfully grown within a pig embryo.

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

New study shows emojis boost how caring and responsive you seem—helping friendships thrive, even through text.

Scientists from QIMR Berghofer's Cardiac Bioengineering Lab have developed lab-grown, three-dimensional heart tissues known ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is ...

Leading cardiologist Sanjay Bhojraj suggests daily habits for heart health. Walking 7,000-10,000 steps and morning protein intake are crucial. Magnesi ...

To preserve heart health and its functional age, following the American Heart Association’s Life’s Essential 8 is a great place to start. Here’s a closer look at how lifestyle factors ...

Modern nutritional science has revealed that nourishing your heart doesn’t require deprivation—in fact, the most effective heart-healthy diets emphasize abundance, flavor, and enjoyment rather ...

In a new survey, 97% of Americans said they believe supplements can improve heart health, but experts say there's little proof supplements actually help. Here's what you need to know.

The ability of the human heart to renew itself by regenerating its muscle cells, myocytes, is very limited. But what happens to this capability when the heart is damaged by severe heart failure ...

For years, heart research has been limited by a lack of cell models and has relied on animal models to substitute for human hearts, said Elizabeth McNally, MD, Ph.D., the Elizabeth J. Ward ...