Your heart is a muscular organ that helps circulate your blood, which delivers oxygen and nutrients to your tissues. There are four chambers and four valves in your heart, and each ensures proper ...

Current issues are available on the Chicago Journals website: Read the latest issue.Originally published by the Marine Biological Laboratory, The Biological Bulletin seeks to disseminate novel ...

In a pilot study of people living with HIV or high levels of cholesterol, researchers found that a six-week course of a cholesterol-lowering medication improved the function of the coronary arteries ...

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 ...

In the U.S. alone, more than 6.7 million people have heart failure, a number that is projected to increase to more than 8.5 million by 2030. Heart failure is a progressive condition in which the heart ...

Share on Pinterest Scientists are searching for medications that will have fewer side effects for people with heart failure. Orlando/Getty Images Heart failure is a potentially dangerous condition ...

A new drug being trialed in heart attack patients could reprogram the immune system to prevent inflammation and heart damage following severe heart attacks, and promote repair. This could be a ...

A dose of adenovirus hits most people like a common cold - a cough, a fever, maybe a sore throat. But for an unfortunate few, the usually benign bug hacks the heart's cellular electrical communication ...

Johns Hopkins Medicine scientists who arranged for 48 human bioengineered heart tissue samples to spend 30 days at the International Space Station report evidence that the low gravity conditions in ...

Heart Attack Warning Signs: A heart attack is a fatal health condition wherein the blood flow to the heart and back to the cells suddenly gets disrupted due to internal and external risk factors.