Fight or flight

What happens to your body when it’s put under pressure?

How our ancient brains evolved the perfect way to keep us safe by controlling the chemicals in our minds to moderate our behaviour

Explained: The biology of being afraid & why this primal emotion is key to your survival

Much of what we don’t understand about being human is simply in our heads. The brain is a befuddling organ, as are the very questions of life and death, consciousness, sleep, and much more

Feeling tired? Bloated? Having trouble sleeping? Your cortisol levels might be too high – or, at least, that’s what social media would have you believe. Cortisol is the latest chemical to fall under t

I gaze out the window as the countryside whizzes ...