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Infrasound May Sway Mood Without People Realizing It, Study Suggests
A small experiment found that brief exposure to very low-frequency sound raised cortisol and increased irritability even when participants could not tell the sound was present.
Key Takeaways
- Researchers tested 36 participants with and without 18 Hz infrasound.
- Those exposed showed higher salivary cortisol and more irritability.
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DT Editorial Team··via medicalxpress.com