Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

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 ...

Folic acid, also known as vitamin B9, is an important B-vitamin with many vital functions in the human body. It was ...