Maintaining a stable heartbeat is critical for survival. Your heart must constantly adapt its output to meet changing demands ...

A new lab-grown material has revealed that some of the effects of aging in the heart may be slowed and even reversed. The discovery could open the door to therapies that rejuvenate the heart by ...

The researchers identified several types of neurons in the heart that have different functions, including a small group of neurons with pacemaker properties. The finding challenges the current view on ...

Lower cardiac output has been tied to poorer cerebral blood flow (CBF) in the temporal lobes of older adults without heart failure, a finding that adds to a growing body of research linking heart ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

Heart failure is the end-stage of many heart diseases, including and most commonly, heart attack (myocardial infarction). Acute myocardial infarction (MI) causes inflammation and scarring (fibrosis) ...

A heart PET scan is a noninvasive imaging test that uses a small amount of radiation. It helps doctors understand how the heart functions and whether it is healthy. Cardiac or heart PET scans create ...

Smartwatches record heart rate and ECGs — but how accurate are they? Two users test wearables against a medical electrocardiogram to see if watches can detect arrhythmias and support heart health. A ...

Surgery is usually the best fix for a severe heart valve disease. Different types of heart valve blockages can happen, and surgery is necessary to fix these problems. Your heart is split into four ...