Spending time in nature offers several health benefits, including better sleep quality, lower blood pressure, and more.

A young woman with a rare hormonal disorder and a rare form of cancer has revealed how both conditions have caused her skin color to change from white to ... of both cortisol, which led to ...

How prednisone works Prednisone is a man-made version of cortisol, a hormone that influences ... where your immune system sends extra white blood cells to certain areas of your body to fight ...

Chronic stress can weaken the immune system by reducing the effectiveness of the immune cells. Cortisol suppresses the production of white blood cells and antibodies. This makes your body more ...