
Spend too long on social media and you might start to hear the term “cortisol face” used to describe someone with supposedly puffy eyes or cheeks. The phrase describes the physical signs that some believe result from prolonged stress, particularly elevated levels of the hormone cortisol. It’s often used to encourage people to do something about their stress levels.
Cortisol is a natural hormone that plays an essential role in regulating metabolism, inflammation, blood sugar and, most importantly, the body’s response to stress. When we’re under pressure, cortisol levels rise to help us respond to the challenge at hand. It’s part of the “fight-or-flight” response that has evolved over millions of years to keep us safe.