“Certain frequencies of sound can cause physical discomfort or nausea”

It is a widespread notion that certain sound frequencies can induce physical sensations ranging from unease to nausea. This idea likely stems from countless anecdotal experiences where individuals have felt unexplained discomfort or a sense of dread in specific environments, often attributing these feelings to unknown presences or conditions. Such mysterious occurrences have historically fueled beliefs in supernatural (Review) phenomena, particularly in places rumored to be haunted, where people report eerie sensations without an obvious cause.

Scientifically, there's a plausible explanation rooted in the physics of sound. Infrasound, defined as sound waves with frequencies below 20 Hertz, is generally inaudible to the human ear but can still be perceived by the body as vibrations. Exposure to these low-frequency sounds can trigger a range of physical and psychological symptoms, including pressure in the ears and chest, dizziness, headaches, anxiety, and even nausea. Infrasound at specific frequencies, like 19 Hz, has been linked to visual distortions, as it can