The world is a scary place. Beautiful, yes, but take a good look around and you'll definitely notice something that makes you feel uncomfortable. Whether we're talking about spiders, lightning, or social interaction, everyone has their own nightmare fuel.

To find the worst of the worst, Reddit user Misoalgia posted a question on the platform, asking everyone "What is a genuinely terrifying fact?" Immediately, the replies started pouring in and as of now, the post has over 9.9K comments. In order to save you, dear pandas, some time, we scrolled through the entries and hand-picked the most memorable ones.

#1

People Share 30 "Genuinely Terrifying" Facts The ten hottest years on record have all been since 2010.

We are not only going to see the catastrophic 2 degree warming this century - we're probably going to see more than that.

The absolute worst part? Even with net zero emissions by 2070 we will STILL probably see 2 degree warming. The time for action to prevent catastrophe was over maybe 20 years ago - we are living in a time of disaster management.

mordenty , Chris LeBoutillier Report

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    #2

    That there are people in this world who have absolutely zero support, and absolutely zero people to count on.

    auxerre1990 Report

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    Kangaroo Ratz
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    there are actually quite a few, id say at least 3 million people and I dont like it. everyone should have someone.

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    #3

    People Share 30 "Genuinely Terrifying" Facts That somebody is out here trafficking humans and then going back to their family while living comfortably in a much nice place than some of us are.

    5annex , Tim Marshall Report

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    Becky Samuel
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    The reality - every one of us reading this is leading our relatively comfortable lifestyle on the backs of the labor of children, indentured people and slaves, and trafficked people.

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    #4

    The earth was around billions of years before we were, and is indifferent to our survival. There have been multiple mass extinctions in the past and we shouldn't feel any safer. The only difference is we've advanced far enough to the point that we'll probably know in advance when our species is going to go extinct.

    jdsizzle1 Report

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    #5

    People Share 30 "Genuinely Terrifying" Facts Scurvy at advanced stages can make all of your scars reopen, because maintaining them is an active process that your body does all the time and when it can't produce collagen it stops. Maybe eat some fruit.

    Kordwar , Mae Mu Report

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    SCamp
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Well, thank god I’m not a 17th century sailor in the British navy

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    #6

    People Share 30 "Genuinely Terrifying" Facts One genuinely terrifying fact is the concept of "antibiotic resistance." Bacteria can evolve to become resistant to antibiotics, the drugs we use to treat bacterial infections. Overuse and misuse of antibiotics can speed up this process, making previously treatable diseases difficult or even impossible to cure. According to the World Health Organization, antibiotic resistance is one of the biggest threats to global health today, potentially leading to a future where simple infections could once again become deadly.

    0OOO00000OO00O0O0OOO , CDC Report

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    DC
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    ... and yet, we allow an industry to feed them to millions of animals in blanket-treatments because some of them may be sick. In order to produce cheap meat - and the buying habits of most people express their agreement to this, as none of the products resulting from this are necessary, but voluntarily bought. But then again, if we see the bodycount of that industry, can we even be stupid enough to assume they had ANY ethics at all? Obviously, they have none.

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    #7

    That we need to work for 11 months to get one month off in a whole year. That most of people need to work at a s****y job until they retire and then struggle to survive on a small retirement. I mean, a bunch of s**t that is terrifying.
    Billionaires don't pay taxes etc.

    royenyto99 Report

    #8

    People Share 30 "Genuinely Terrifying" Facts Creutzfeldt-Jakob disease (mad cow) can lie dormant for more than 50 years, is universally fatal, and is inheritable. There is no cure.

    MrDarksCarnival:

    My mom passed from this.

    Took a healthy energetic 60-year old woman that MAYBE looked 50, and turned her into a semi-vegetative shell of her former self.

    It’s destructive. And I have no idea if it’s dormant in me.

    Particular-Natural12 , Wikipedia Report

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    LazyPanda
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    I learbed about this disease in college. It's a deadly disease that is mostly transfered to humans by eating meat from cows and sometimes sheep that have it in them. It can also be transfered by transfusion or other transplants done from human to human and by placenta from a mother to her unborn child.

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    #9

    That mankind is the single biggest threat to our own extinction.

    CP_DKK Report

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    martymcmatrix
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Two planets meet and one asks the other... »You're not looking well. Are you suffering from a disease?« ••• »Yeah, its a severe parasitic infestation.« ••• »What kind?« ••• »Homo sapiens, unfortunately.«

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    #10

    People Share 30 "Genuinely Terrifying" Facts That brain aneurysms usually does not have symptoms and it can kill you if it ruptures.

    Misbrukt , Usman Yousaf Report

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    Jaaawn
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    You can be dead before you even hit the ground so considering the horrific deaths some people have had to suffer I'd say a fatal brain rupture would be one of the better ways to go.

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    #11

    People Share 30 "Genuinely Terrifying" Facts There are hundreds of unidentified serial killers in America.

    Apprehensive_Bee7344 , Wikipedia Report

    #12

    People Share 30 "Genuinely Terrifying" Facts The US military has lost several nuclear weapons and not all of them have been recovered.

    umdche , Wikipedia Report

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    #13

    50-70% of people don't have an internal monologue. I can't even imagine that. I can barely turn mine off to sleep. Comments seems split but there are a lot saying they don't experience internal monologue. I read it as monologue. I think some people are confusing it with dialogue. But maybe some experience that too?

    VersionNo3770 Report

    #14

    People Share 30 "Genuinely Terrifying" Facts There is a species of caterpillar, big blue out of great Britain I believe, that tricks ants into thinking it's an ant queen in distress. The ants take this caterpillar back to the nest where the caterpillar continues acting like a queen but devouring all the ant larvae. This destroys the ant colony from the inside. There are some studies that can point to this species actively finding which larvae will eventually become the next queen and devour those larvae first.

    Blankasbiscuits Report

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    #15

    People Share 30 "Genuinely Terrifying" Facts Sun eruptions happened before and lead to blackouts across several continents. All fun and games in the 19th century. Today it could easily kill millions. And it could happen any hour.

    NotKhad , NASA Report

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    David A Paterson
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Just one of a hundred or so scientifically approved apocalypses. Now that we understand it we can counter it. Expect a death toll easily counted in hundreds.

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    #16

    That Richard Sackler is a free billionare in 2023.

    clemenza2821:

    CEO of Purdue Pharma, singularly responsible for the opioid epedemic.

    Dunderbonk Report

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    #17

    The Permian Extinction was the greatest extinction event in history, the atmosphere was full of CO2 and the oceans warmed so much they held too little oxygen to support most of the life that lived in it.

    We are currently recreating these events through climate change.

    DasBarenJager Report

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    Bookworm
    Community Member
    Premium
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Also known as The Great Dying; probably the closest Earth has ever come to losing life completely up to this point.

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    #18

    People Share 30 "Genuinely Terrifying" Facts Dementia has no age limit.

    PLAmibingusPL , Tim Doerfler Report

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    David A Paterson
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Retts Syndrome and Childhood Disintegrative Disorder are examples of types of dementia that affect children.

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    #19

    The fact that we know more about outer space than our planet's deep oceans is unsettling. There are countless mysteries and potentially terrifying discoveries awaiting beneath the ocean's depths.

    Nicaherrera Report

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    hitex
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    But let's make sure our submersibles are safely capable of reaching such depths in discovery *cough, Oceangate*

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    #20

    Siberia’s permafrost melting and unleashing a disease humanity isn’t prepared for.

    ajoeroganfan Report

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    Srinivasan Somasundaram
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    The scientists have found a very old virus in the permafrost. It doesn't mean that it has the ability to affect humans. This is too much "Resident Evil" kind of thinking.

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    #21

    Either we're the only sentient species in the whole universe or we are not. Both is equaly terrifying.

    Raiyjinn Report

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    Tim Fawcett
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Looking at the media I struggle to see how most of us can be described as sentient

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    #22

    It is physically possible to be so constipated that your stool will back all the way up your digestive tract and you can vomit feces. You're welcome.

    Klaus_Heisler87 Report

    #23

    People Share 30 "Genuinely Terrifying" Facts It's a great day. You go for a swim, and then Naegleri fowleri hits you hard. "Naegleri fowleri is an amoeba (brain eating amoeba) that can cause a serious central nervous system infection. The amoeba is found in warm and still fresh water bodies of water and enters a human body through the nose."

    instapoppins , Todd Quackenbush Report

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    Mark Fuller
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    I think I've met quite a number of people who have clearly contracted this but not yet been diagnosed...

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    #24

    People Share 30 "Genuinely Terrifying" Facts SIDS, sudden infant death syndrome, a baby will just die and we don't know why.

    TTheTiny1 , Omar Lopez Report

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    Bookworm
    Community Member
    Premium
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    They have pretty good guesses, though. A lot of older cases were probably suffocation, before 'Back To Sleep' caught on. Recently, there's been research suggesting that some genetic mutations can inhibit the ability of a baby's brain to wake them up if they stop breathing in their sleep, putting those babies at high risk of SIDS.

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    #25

    You can just go to sleep and... never wake up. You might never get to say goodbye, or tell your family you love them.

    Pmmasturbatingwomen Report

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    David A Paterson
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Quote from a comedian. "I want to die peacefully like my uncle in his sleep. Not screaming in terror like the passengers in his car".

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    #26

    There is a good to fair chance you’ve met at least 1 murder in your life already.

    Ancient_Head_8095 Report

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    SCamp
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Murderer? Yep, I have wondered how many major criminals I walk past or have met and had no idea

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    #27

    People Share 30 "Genuinely Terrifying" Facts Some spiders eat snakes.

    OkMushroom364 , Markus Blüthner Report

    #28

    People Share 30 "Genuinely Terrifying" Facts There is a white dwarf about 130 light years away from us, and it could explode any time. If it explodes, then it will be a big cosmic firework - and very close, possibly close enough to cause problems. Even it if turns into a neutron star without an explosion, that phenomenon could cause a nasty EMP effect, possibly killing a lot of satellites.

    Elvenblood7E7 Report

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    #29

    Hisashi Ouchi Was kept alive (by any means necessary) for 83 days after exposure to fatal levels of radiation.

    Smok3dSalmon Report

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    Stardust she/her
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Poor guy was suffering so much. He needed skin grafts, multiple blood transfusions and he was resuscitated so many times. He was crying blood and at one point his intestine ruptured

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    #30

    People Share 30 "Genuinely Terrifying" Facts A person eats, on average, “two pounds of flies, maggots and other bugs each year," according to Scientific American.
    -A cup of raisins can have up to 33 fruit fly eggs.
    -Fig paste is allowed to have up to 13 insect heads in 100 grams.
    -Up to five fruit flies is allowed in an 8-ounce cup of canned fruit juice.
    +One maggot is allowed in every 250 milliliters of fruit.
    +Up to 2,500 aphids are allowed in every 10 grams of hops.
    -Spinach can have up to 50 aphids, thrips or mites per 100 grams.
    -Broccoli can contain insects fragments and even whole insects.
    -Up to a kilogram of insect parts is allowed in 100 kilograms of chocolate.
    -Up to 19 maggots and 74 mites are allowed in a 3.5-ounce can of mushrooms.
    -Up to 15 fruit fly eggs are allowed in 100 grams of tomato sauce

    AeonSophia514 , James Tiono Report

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    Alewa
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    I think it's more terrifying that people are unaware of critters liking the same food as us, and are consequently terrified by this fact.

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    Note: this post originally had 48 images. It’s been shortened to the top 30 images based on user votes.

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