🖼️00Study: Infrasound likely a key factor in alleged hauntingsArs Technica - All content·Jennifer Ouellette·about 1 month ago#9JEeknMt#arstechnica#infrasound#people#schmaltz#haunted#tandy+2 more🧰Tag tools✨Add tagLow-frequency infrasound (below 20 Hz) can raise cortisol levels in saliva and increase irritability.15s0Read later0Read More
