Top 10 Scariest Diseases

The Top Ten

  1. Alzheimer's Disease

    My grandma is currently fighting this disease, and it's getting worse every day.

    My grandma died of it, and she said nothing was as scary as losing your memory before your eyes.

  2. Cancer

  3. Bubonic Plague

    Black death. It goes everywhere in the world. We never know when the next outbreak will be. And there is no cure.

  4. Fatal Familial Insomnia

    I remember one time I saw this on TV. Just knowing this disease exists will cause you to spend your whole life worrying. Please don't look this up. Chances are it will terrify you.

    How is this below swine flu? Swine flu won't kill you unless you're old, an infant, or have a damaged immune system (due to a disease like HIV). Plus, FFI has a 100% mortality rate. It is not worth looking this up. It is terrifying and should be number 1 for sure.

    Much scarier than lung cancer. Don't look this up. You'll be kept awake at night.

    Just like other prion diseases, it's rare, but if you happen to get it, you're done for. Please don't look up these diseases more unless you want to fill yourself with paranoia.

  5. Influenza

  6. Viral Gastroenteritis

  7. Coronavirus Disease 2019 (COVID-19)

    Many people are dying. It is spreading to other countries.

  8. Ebola Virus Disease

  9. AIDS

  10. HIV

    11. The Newcomers
  11. ?

    Crohn's Disease

  12. ?

    Loiasis

    The layman's term for this is "African Eye Worm." It is exactly what it sounds like: a parasite "Loa Loa" endemic to Africa that inhabits human eyeballs. I wouldn't recommend looking up pictures of it if you're easily queasy. Thankfully, it doesn't make people blind.

    13. The Contenders

  13. Encephalitis Lethargica

  14. Tuberculosis

  15. Rabies

    It makes animals (mammals specifically) go insane, attacking people before dying a horrible death. Without a vaccine, it's a death sentence. The worst part is, not only do you get animals like foxes, raccoons, and bats with rabies, but there have been cases of creatures like honey badgers and bears getting it.

    Sleep tight while camping, kids.

    Kinda scares me, but I've never encountered a dog with rabies.

    Why isn't this number 1? This is literally the worst disease.

  16. Lupus

  17. Necrotizing Fasciitis

  18. Smallpox

  19. ALS

    ALS at the bottom of the list!? Seriously, does nobody know what ALS does to your body? A lot of the diseases on this list can be treated and managed, but ALS is like a death sentence. You are guaranteed to die if you have it, and it is very scary.

  20. Huntington's Disease

  21. Noma

  22. Creutzfeldt-Jakob Disease

    A rare yet always fatal disease is characterized at first by memory and coordination problems, behavioral changes, and visual disturbances (which involve experiencing a flash of light in your sight). The disease then, in its later stages, causes dementia, difficulty walking, blindness, weakness, coma, and eventually death.

  23. SARS

  24. Trigeminal Neuralgia

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