Once they fixed the chimney, the ghost was gone.
H and his family (according to a story from the American Journal of Ophthalmology who thought they lived in a haunted house and heard weird noises like furniture moving on their own but eventually got to know that they were exposed to carbon monoxide emitted by their faulty chimney. However, among other health problems, exposure to the gas can cause a person to have a headache, dizziness, weakness, upset stomach, vomiting, chest pain and confusion. Carbon MonoxideĪn odourless, colourless and tasteless gas, carbon monoxide is a common byproduct of burning gasoline, wood, propane, charcoal and other fuels and can lead to severe health issues if a person is exposed to it for a long time, which can even lead to them passing out or die. The source of these sounds can be something as simple as your ceiling fan and you won’t even realise it. Yet another research proves that infrasound can cause physical and psychological changes in human beings as well, which include changes in blood pressure and respiratory rate, disbalance, and even induce a feeling of fear in them. Research shows that certain animals and birds like pigeons have shown “behavioral and physiological responses to these low frequencies”. Middle-school biology lesson: humans can only hear the sounds that belong to the range of 20Hz and 20KHz but other animals can hear lower frequency sounds too. One of the most logical explanations for when people believe that they saw a scary figure in the shadows or heard a haunting voice say something peculiar, is that they have experienced pareidolia - a tendency to find a pattern in random shape or hear hidden messages in noise.Ī less spooky version of pareidolia is to see expressions in the way a car looks from the front, or this house that looks like a smiley face.
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