Researchers found that while the menstrual cycle changes heart rate variability (HRV), it does not significantly affect ...

Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

FRANCE — Did you know that, long before anyone else, Leonardo da Vinci called into question Galen's description of how the heart works? This is just one of the many interesting tidbits featured in ...

Normal circulatory function is a key determinant of disease-free life expectancy (healthspan). Indeed, pathologies affecting the cardiovascular system, which are growing in prevalence, are the leading ...

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 ...

It’s just in your head.” When work deadlines pile up, financial worries linger or an unexpected public speaking obligation ...

Researchers mapped 442,239 single nuclei from nonfailing human hearts to chart how cardiac cells change from fetal ...

With every pump of our heart, blood courses through our arteries and veins, carrying oxygen and nutrients through our body. But as we age, blood vessels can stiffen, blockages can build up, and the ...

Cannabis has been consumed for centuries, but global regulatory changes over the past three decades have increased the availability and consumption of cannabis. Cannabinoids are touted to have ...

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 ...