Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...

Most people rarely think about how they breathe unless experiencing respiratory distress. Yet emerging research suggests that the pathway through which we inhale and exhale – nose versus mouth – ...

Having excess body weight can increase your blood pressure and affect your immune system. Learn what happens to blood ...

Renin-angiotensin system, or RAS, is a physiological mechanism essential to human body function. The SARS-CoV-2 virus causes overactivation and malfunction of this system. The RAS regulates innate ...