Your Stress Response
Built for survival, not modern life
Your fight-or-flight response evolved to escape predators. Today it fires during traffic jams, work emails, and social media scrolling — with devastating long-term effects.
The cortisol cascade
Stress triggers the HPA axis: hypothalamus → pituitary → adrenals. Cortisol floods your bloodstream, raising blood sugar, suppressing immunity, and sharpening focus — great for 5 minutes, toxic for 5 months.
Match the stress hormone
Match each stress hormone to its primary role.
This step is interactive — open the Thier app to try it.
Not all stress is bad
Hormesis — short, controlled stress — makes you stronger. Cold exposure, exercise, and fasting all trigger beneficial stress responses. The key difference: acute vs chronic.
True or False
All stress accelerates aging equally.
This step is interactive — open the Thier app to try it.
Key Takeaway
Your stress response is a superpower — when it's short-lived. The goal isn't to eliminate stress, but to recover quickly and avoid chronic activation.