Some studies point to melatonin use as beneficial to heart health, while others say the opposite. Here’s how to make sense of ...

With aging there are changes in the cardiovascular system, which result in alterations in cardiovascular physiology. The changes in cardiovascular physiology must be differentiated from the effects of ...

Senior male patient with ECG sensor on his chest in clinic. Elderly male with face mask getting his cardiac stress test in cardiology clinic. COVID-19 induces a range of negative cardiac effects, such ...

Every day, your heart pumps about 10 pints of blood 60,000 miles around your body through your circulatory system. That system is made up of blood vessels, the tubes that carry blood throughout your ...

As the central part of the circulatory system, the heart is responsible for pumping blood, supplying oxygen and nutrients, and removing metabolic waste such as carbon dioxide from all the tissues in ...

Patients with depression are at higher risk of cardiovascular disease, and a new study suggests that stress may help explain ...

Deep vein thrombosis (DVT) is a preventable but serious medical condition where blood clots form in your veins. Most often, these clots are in your lower leg, thigh, or pelvis. They can sometimes ...

Coronary arteries are a vital part of the human heart, providing it with oxygen-rich blood so that it can work. By comparing the hearts of mammals, birds, reptiles, fish and frogs, a ...