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 ...

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 ...

Goosebumps, scientifically known as cutis anserina, are an involuntary response triggered by the contraction of arrector pili ...

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 ...

Folic acid, also known as vitamin B9, is an important B-vitamin with many vital functions in the human body. It was discovered in the early 1930s when an English scientist isolated a compound from ...