22 Horrifying Facts That’ll Just Straight Up Give You Shivers

In 1912, a 4-year-old boy named Bobby Dunbar mysteriously disappeared. After an 8-month search, investigators believed that they had him in Mississippi with a woman named Julia Anderson who claimed to be his mother and called him Bruce Anderson, but courts favored the Dunbar Family. He lived as Bobby Dunbar and died in 1966. In 2004, DNA tests concluded he was not a Dunbar.

Charles Bonnet syndrome causes vivid hallucinations, but not due to mental illness. As many as one-third of the people who lose their vision can suffer vivid and cartoonish hallucinations. The brain fills in with what it has seen before as the eyes deteriorate. People rarely report them because they're afraid they are losing their mind.

Clinical lycanthropy is a rare psychiatric syndrome which causes the person affected by it to believe that they can or have already shapeshifted into a non-human animal. Patients behave in a manner that resembles animal behavior, for example howling, growling, or crawling.

Danny Casolaro was an investigative journalist who was working to uncover a secret group controlling the CIA, White House, etc. Despite telling friends and family that if he is found dead, it wouldn't be a suicide, he was found dead in 1991 after meeting with an unknown source.

Epidermolysis Bullosa is a disease affecting a skin-binding protein. It literally causes the skin to fall off with the slightest touch. Children born with the disease are known as "Butterfly Children" because their skin is as fragile as a butterfly’s wings.

Human botfly is the only species of botfly known to parasitize humans routinely by capturing mosquitoes and attaching their eggs to their body. The larvae develop inside the skin after falling off the mosquito through the mosquito bite area. They hatch and then the larvae burrow in the skin and eat your tissues until they emerge as a fly that resembles a bumblebee.

Naegleria fowleri is a brain-eating amoeba which is found in warm bodies of water. If it gets up your nose or otherwise finds its way into your brain you are dead. Less than 1% of the people with naegleriasis survive. You'll have a high fever, hallucinations, and intense pain which painkillers won't work on (as the pain is coming from inside your brain), fall into a coma and die within 5-7 days of exposure.

Harlequin Ichthyosis is an extremely rare fetal disease. Newborns affected by it have no chance of survival past a day or so out of the womb. They are born with a criss-cross web of red gashes across the whole body and pieces of plate-like scales in between that is actually malformed skin. Also, their eyes are typically solid red masses that bulge outside of the skull.

You can pick up Guinea worms by walking around barefoot in stagnant water. They grow to size in your abdomen and then move their way around your body until it feels like they are slowly burrowing through your skin. They then emerge through a blister in the skin about a year after the infection. Then worm then is removed over the course of a few weeks by rolling it over a stick. They can grow up to a meter long.

Candiru is a parasitic fish native to the Amazon which the natives believe has the tendency to invade and parasitize the human urethras, where it will stay until surgically removed.