Exploring the Horrors Within: 35 Disturbing Facts about Human Diseases – Part 2

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1Legionnaires disease

Legionnaires disease

20% of Legionnaires disease in the United Kingdom is caused by people using water instead of windshield washing fluid.

2. People who are susceptible to Hay Fever can experience a short term burning or itchy sensation when eating Fruit, due to "Oral Allergy Syndrome", in which your body reacts to something it mistakenly believes is pollen.

3. Sleeping Beauty Syndrome is an extremely rare illness, which causes episodes of being mostly asleep for weeks at a time. If awake during an episode, sufferers are confused about what is real and what is a dream. The condition appears in adolescence and resolves itself 10-15 years later.

4. The Uncombable Hair Syndrome (UHS), as its name says, makes the hair of people suffering from it impossible to comb, due to the triangular shape of the hair shaft.

5. Wendigo psychosis is a disorder, historically reported among native people in Canada, in which a person feels the need to consume human flesh. In 1878, a man suffering from it named Swift Runner killed and ate his family despite food supplies being available at a nearby outpost.

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6Stroke victims

Stroke victims

Stroke victims with partial facial paralysis can lose the ability to voluntarily smile on half their face, but can still fully smile when laughing at a joke.

7. East Asians have their own specific syndrome, called “Asian Flush Reaction.” It causes their face to turn red after consuming alcoholic drinks. 36% of East Asians have this syndrome.

8. People diagnosed with Alzheimer’s disease may lose the ability to smell peanut butter. The “Peanut Butter Test” may offer an early indication of the disease.

9. There is a rare degenerative muscle movement disorder called "X-linked Dystonia Parkinsonism" which almost exclusively affects only males from Panay Island in the Phillipines. It is thought to have originated from a genetic mutation introduced by ethnic groups over 2 millennia ago.

10. Diarrhea kills more children than AIDS, malaria, and measles combined. The depletion of bodily fluids from Diarrhea can cause “profound” dehydration, killing thousands of kids every day.

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Tuberculosis is responsible for 1 in 7 deaths in all human history and a quarter of all humans alive today are infected, with over a million deaths a year and 1 every 18 seconds.

12. Some people with schizophrenia have a type of disordered speech that makes them sound like Dr. Seuss. It's called 'Clanging.'

13. Objective Tinnitus is a form of tinnitus in which the sound produced by oscillation in the ear can actually be heard outside of the ear (i.e. by other people).

14. Sunflower syndrome is a condition that compels those who suffer from it to turn toward a bright light and wave one hand, fingers spread, in front of their eyes. It’s usually the same hand every time.

15. Measles has a rare complication called Subacute Sclerosing Panencephalitis that occurs 6-15 years after the virus is caught. This complication causes brain swelling which leads to memory loss, change in personality, loss of body functions, uncontrollable spasming, and inevitably death.

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There is an eating disorder called diabulimia, in which people with Type 1 diabetes deliberately reduce their insulin intake in order to lose weight, possibly leading to blindness, kidney damage, and early death.

17. Hepatitis X, also known as the "Lost Hepatitis", infects 10 people per year in the US. It will show symptoms, then disappear for about a week before returning stronger than before.

18. With hearing loss, the signal from the ear becomes weak and noisy, like a poorly tuned radio. The brain's predictive mechanisms, therefore, have to work very hard to make sense of what we are hearing. These processes sometimes end up running away with themselves to cause musical hallucinations.

19. Signs of bulimia nervosa are often spotted by dentists. Between 47% and 93% of bulimia nervosa patients have signs of tooth erosion due to repeated exposure to gastric acid and binge consumption of high-sugar foods. They may also display gum irritation and bleeding and sores on the angles of the lips.

20. Busy Life Syndrome is a real disorder causing forgetfulness and lack of concentration in people who take in too much information daily.



When a dementia patient forgets something, their brain fills in memory gaps with a falsification that a person believes to be true. It is called Confabulation.

22. Many children with photosensitive epilepsy have uncontrollable urges to seek seizure-inducing stimuli, some so much so that they need to be physically kept away from televisions.

23. Male survivors of Ebola virus disease can harbor active virus in their sperm, and transmit the disease sexually months after their own recovery.

24. Space Adaptation Syndrome is a kind of motion sickness which causes nausea and vomiting, vertigo, headaches, lethargy, and overall malaise. 45-75% of all astronauts experience it. It has always resolved within 72 hours.

25. People with Bipolar disorder are more likely to abuse drugs and alcohol due to the initial effects of the drug temporarily relieving the effects caused by the disorder, making them more likely to develop addictions.

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