05/11/2026
What actually happens inside our body when we feel stressed?
Stress isn’t just a feeling.It’s a biological response designed to help us meet a demand.
Our nervous system activates heart rate, breathing, attention, and energy.
And one of the hormones helping coordinate that response is cortisol.
But cortisol isn’t the bad guy.
We need cortisol. It helps us mobilize energy, respond to challenges and coordinate sleep cycles..
It isn’t:
“How do we get rid of stress and cortisol?”
It’s:
“Can our system activate when needed—and recover when the challenge has passed?”
Sometimes we need activation. Sometimes we need recovery.
Read the full post here https://humanoptimizationacademie.substack.com/p/what-actually-happens-inside-our