Discover how stress science explains the long-term cortisol effects on the brain and body, and what mental health biology reveals about managing chronic stress naturally.

From morning wake-ups to immune regulation, the stress hormone is a survival tool, not a slow-burning health disaster.

“Cortisol follows a natural rhythm, peaking in the morning and tapering at night. Poor or irregular sleep disrupts this cycle, keeping cortisol higher than it should be,” says Phaff. “Going to bed and ...

Although cortisol is known for its role in the stress response, it has many functions. Need a news break? Check out the all new PLAY hub with puzzles, games and more! “Cortisol does so many things,” ...

It’s not just major stress that messes with cortisol. From your morning coffee to late-night scrolling, here are the everyday habits that can quietly spike levels and keep you on edge.

What makes the human body so miraculous? Is it our comparatively large brain? Our versatile muscle system? Our exquisite vision and opposable thumbs? Although all these features are undeniably ...

A study examines links between cortisol dynamics and human cognitive function. Cortisol replacement therapy for adrenal insufficiency is associated with low quality of life and poor psychological ...

TikTok influencers claim the “cortisol cocktail” can reduce stress, boost energy and balance the body’s adrenal function. A physician explains what you should know.