Doctors explain which organs humans can live without, how the body adapts after organ loss, and the long-term health effects ...

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 ...

Mount Sinai researchers have published the first organ-wide human skin spatial atlas from across the body. It provides an ...

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 ...

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 ...