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 ...

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 ...

Arteries are blood vessels. Most carry oxygen-rich blood from the heart to various organs and tissues. Arteries are a part of the circulatory system, along with the heart and other blood vessels. The ...

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

More than 100 years ago, the German physician and Nobel Prize winner Robert Koch predicted that “one day mankind will have to fight the burden of noise as fiercely as plague and cholera.” He was right ...