#36: Does Stress Really “Stay in the System” for Three Days?

#36: Does Stress Really “Stay in the System” for Three Days?

October 17, 2025 · 34 min · Episode 36

About this episode

Dr. Kristina Spaulding explores the complexities of how stress affects the body and whether it truly 'stays in the system' for three days.

One of the most common questions Dr. Kristina Spaulding hears is whether stress “stays in the system” for three days. In this episode, she digs into what that really means, what the research shows, and why the truth is more complex than a simple yes or no. She begins with the biology of the stress response—how the HPA axis and sympathetic nervous system work together, the roles of cortisol and corticosterone, and why not all stress is bad. Then she takes on the central question: how long does...

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Host: Kristina Spaulding

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