Researchers play ultra-brief tones to stimulate the brain during deep sleep. This stimulation improves cardiac output and relaxation of the left ventricle. Such technology to improve cardiovascular ...

In a study of 130 volunteers conducted at the Federal University of São Carlos, a drastic decrease in heart rate variability, i.e. the heart’s ability to adapt to environmental and physiological ...

Estrogen is a hormone typically related to reproduction and sexual characteristics, but it also promotes vascular elasticity, encourages cholesterol balance, and has anti-inflammatory properties that ...