The stress hormone cortisol disrupts the brain's navigational system. It impairs the function of the grid cells that play a crucial role in orientation. This has been verified by researchers from Ruhr ...

New clinical research, co-authored by Dr. Robert Kerstein, suggests that treating a common jaw disorder may help reduce physiological stress levels in affected patients.

The stress hormone cortisol disrupts the brain's grid cells, blurring the internal GPS system and impairing navigation.

From your afternoon coffee to doomscrolling in bed, experts reveal common habits could be keeping your cortisol chronically elevated—and what to do instead.

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

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 ...

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 ...

The modern world bombards us with relentless stressors that trigger our bodies to produce excessive amounts of cortisol, the primary stress hormone that can wreak havoc on our physical and mental well ...

It’s a hot topic in sleep research: the relationship between cortisol and the quality and patterns of sleep. I’ve been talking about cortisol for a while, but I’ve never devoted a standalone article ...

A doctor in the midst of wedding planning tried drinking this trending tonic. Here's what actually helped, and the touted benefit that didn't deliver.