Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns to the heart, it follows a complicated pathway. If you were in the bloodstream ...

The aorta, a large blood vessel responsible for transporting oxygenated blood from the heart to the rest of the body, plays a ...

As thousands of people await a lifesaving heart, scientists are racing to buy them more time. A promising advance from ...

After exercise, some areas of my heart weren’t contracting as they should—signs of potential ischemia, or reduced blood flow, likely due to narrowed arteries. Next came the angiogram, which is a ...

Two common and potentially deadly heart diseases can be caused by mutations in the same gene. Surprisingly, though, these two ...

Both diseases can be caused by changes (mutations) in the same gene that makes a protein called tropomyosin, which helps ...

Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns to the heart, it follows a complicated pathway. If you were in the bloodstream ...