EPISODE · May 13, 2026 · 21 MIN
The Silent Stress: How Sounds You Can’t Hear Might Be Messing with Your Mood
from Simple Science Deep Dive · host Nguyen K. Tram, Ph.D.
Featured paper: Infrasound exposure is linked to aversive responding, negative appraisal, and elevated salivary cortisol in humansEver felt uneasy in a perfectly normal room? In this episode we break down a surprising lab study that shows how invisible low-frequency sound—called infrasound—can spike cortisol, sour your mood, and even make music feel sad. Learn where this "silent pollution" hides in buildings and cities, how your body senses it without conscious hearing, and practical fixes to reduce hidden stress in everyday spaces. Tune in to find out why the hum you don’t hear might be messing with your mind.*Disclaimer: This content was generated by NotebookLM and has been reviewed for accuracy by Dr. Tram.*
What this episode covers
Featured paper: Infrasound exposure is linked to aversive responding, negative appraisal, and elevated salivary cortisol in humansEver felt uneasy in a perfectly normal room? In this episode we break down a surprising lab study that shows how invisible low-frequency sound—called infrasound—can spike cortisol, sour your mood, and even make music feel sad. Learn where this "silent pollution" hides in buildings and cities, how your body senses it without conscious hearing, and practical fixes to reduce hidden stress in everyday spaces. Tune in to find out why the hum you don’t hear might be messing with your mind.*Disclaimer: This content was generated by NotebookLM and has been reviewed for accuracy by Dr. Tram.*
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The Silent Stress: How Sounds You Can’t Hear Might Be Messing with Your Mood
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