A computer-generated image of red blood cells. Nitric oxide—known by the formula NO—is so vital for humans’ internal physiological processes that it was crowned Molecule of the Year in 1992. It plays ...

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 ...

A new imaging breakthrough combines ultrasound and light-based techniques to generate vivid 3D images that show both tissue ...

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 ...

The human body functions as a highly intricate and interconnected system — when one area falls out of harmony, it often causes ripple effects throughout the rest. Instead of remaining silent, your ...