stress response

Published research on stress response.

PsychologyJul 3, 2026

Infrasound Raised Cortisol and Irritability Without Conscious Detection

A 36-person experiment found that 18 Hz infrasound raised salivary cortisol and negative mood appraisal even though participants did not detect the infrasound above chance (p = 0.241).1 The …

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AnxietyFeb 27, 2024

Saffron Extract (Affron) Reduces Stress via HPA Axis & Neuroplasticity in Rats (2023 Study)

In a world increasingly burdened by the psychological strains of modern living, the quest for effective and safe treatments for stress-related symptoms has never been more urgent. A recent s…

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