What Does Science Have to Say About Ghosts?

What Does Science Have to Say About Ghosts?
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Although there is no scientific proof that supernatural phenomena such as ghosts or demons exist, millions of people around the world believe that these paranormal forces do exist, and many of them claim to have witnessed such phenomena in real life.

According to a YouGov survey conducted in 2019, four out of every ten people in the United States believe in ghosts, and a surprising survey from 2021 revealed that 45 percent of Canadians claim to have used a ouija board to summon ghosts at least once, and 32 percent have consulted a psychic.


While there is no proven method or machine by which someone can truly recall supernatural forces (not even the ouija board), science can logically explain why people feel the presence of unrealistic paranormal energy or beings around them to some extent.

ghost photo
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Why Would You See Ghosts?

Ghosts, demons, zombies, vampires, and wandering spirits are all fiction, according to scientific laws. There is no substantial evidence that any such supernatural phenomenon exists in the real world. However, there may be scientific reasons why people believe they have had a paranormal experience.

The Haunted 19 Hz Frequency

Vic Tandy, a British engineer, discovered in the 1980s that infrasound (low-frequency sound between.1 and 20 Hz that is below the level of human hearing) can tamper with human senses and cause feelings of unease and eerieness, similar to those reported by people who see ghostly figures. His findings were based on his personal experience working in a lab that was rumored to be haunted.


Tandy noticed a greyish spirit. Looking around, he discovered an extractor fan making a 19-Hz noise, and when he turned it off, the visions and feelings of discomfort vanished.

Tandy conducted additional research on infrared waves and discovered that these waves can cause humans and animals to experience blurred vision, fear, giddiness, and panic attacks, which can be misinterpreted as a paranormal experience. Tandy went on to become a ghost hunter as a result of this.

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In 2001, he claimed that infrasound was also to blame for apparitions and feelings of dread in a spooky cellar near Coventry Cathedral, where several visitors claimed to have seen a female ghost. Tandy also debunked the paranormal beliefs associated with the haunted Warwick Castle in Warwickshire, England, three years later. At the conclusion of both of these investigations, the 19 Hz infrasound frequency was discovered to be the cause of the appearance of figures that appeared to be ghosts.


Mental Health Issues

Anxiety, sleep deprivation, epilepsy, and other neurological issues, according to research published in the journal Frontiers in Psychiatry, can cause a person to be afraid of ghosts. Furthermore, psychiatrists believe that mentally ill patients are more likely than others to report paranormal activities around them, possibly as a result of an anxiety disorder.

According to one study, approximately 30% of mental health patients report experiencing some type of paranormal phenomenon (such as seeing demons) at least once in their lifetime during the night.

External Stimulants

Psychoactive substances, such as psilocybin and LSD, have the ability to alter brain functions and make a person feel as if they are having a supernatural experience. Furthermore, some bacteria, mold, and fungus can cause psychosis (a mental disorder that impairs a person’s ability to perceive reality).


The rye ergot fungus has been proposed as the catalyst for the 1692 Salem Witch Trials, in which a number of people were accused of witchcraft and executed. Victims of rye ergot may experience paranoia, hallucinations, spasms, and stillbirth.

Other theories propose that the earth’s geomagnetic field, solar flares, and a variety of other cosmic events may also influence human brain activity; however, no such theory has been experimentally proven.

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However, an idea or suggestion can sometimes be enough to set off visions of imagined horrors all around you. According to research and psychological experiments, visual and verbal suggestions can influence how people perceive their surroundings. For example, if you are staying in a random hotel for a few days and one day a friend informs you that the hotel is haunted, it is possible that you will begin to feel fear or even experience paranormal happenings around you.


Researchers discovered that verbal suggestion can lead people to believe they are witnessing paranormal key bending rather than sleight of hand, as well as increase their confidence in their ability to observe psychic phenomena. According to research, suggestion and misinformation can distort people’s memories of an event, leading them to believe the misinformation.

As a result, suggestions can sometimes play a significant role in shaping human perception, even leading people to believe in irrational things like ghosts.

Loneliness and Personal Loss

Céline Dion, a Canadian rock singer, stated in a 2016 interview that she frequently sees the ghost of her late husband. Many people around the world make similar claims after losing someone close to them. But do they actually see or hear their loved ones who have passed away? Sigmund Freud, a psychoanalyst, observed this phenomenon in the early 1900s and labeled it wishful psychosis , a short-term “madness of the mind” in which a person refuses to accept reality and begins imagining the presence of a deceased person.


The death of a loved one, however, is not the only thing that can cause you to see ghosts. According to research, loneliness, attachment, and childhood trauma are all factors that can lead people to believe they have seen ghosts and spirits.

The human brain may create ghosts, angels, or other imaginary characters in order to cope with feelings of loneliness and loss.

Pop Culture’s Undeniable Contribution

There are an infinite number of Hollywood blockbusters that enter viewers’ consciousness, ranging from the classic 1980s film A Nightmare on Elm Street to Dracula and The Conjuring. Following the viewing of such films and television shows, many children (and adults) do not want to sleep alone and avoid visiting the dark corners of their own home.


According to a study published in the Global Mass Communication Review, horror movies can cause nightmares, phobias, anxiety, stress, escapism, and a variety of other psychological issues in young people. Continuous exposure to such content can also have an effect on an individual’s behavior and may even lead to psychosis.

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Corrine Dalelio, a researcher, investigated the rise in paranormal or pseudo-scientific television shows in the 1990s, including Buffy the Vampire Slayer, The X Files, Charmed, and Touched by an Angel, as well as films like The Sixth Sense, The Craft, and The Others. She discovered that the prevalence of paranormal themes in popular culture was related to public belief in the paranormal.

People enjoy experiencing and exploring horror through films, television shows, and books. Psychologists believe that horror films and content may benefit OCD patients by allowing them to confront and overcome their fears. At the same time, mental health experts agree that watching horror movies, particularly binge-watching, can be harmful to one’s mental health. This is due in part to the fact that when watching a scary movie, the body produces a large amount of adrenaline and other hormones, which is what makes these movies exciting. This can result in increased brain activity , excitement, anxiety, insomnia, and even sleep deprivation, all of which can make people more suggestible.


So far, all of these studies and research work indicate that ghosts, ghouls, and demons exist only in your head, according to science.

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