Why Some Parasites Are Actually GOOD (And Which Can Kill You)

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  • เผยแพร่เมื่อ 8 มิ.ย. 2024
  • When we think parasites, we often think of illness, disease, and discomfort. But did you know some of them can actually be helpful? Join Stefan Chin and learn all about them in a fun SciShow compilation all about the world of parasites!
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    Original Episodes:
    Human Parasites - • Terrifying Parasites I...
    Brood Parasites - • Brood Parasites
    Mind-controlling Parasites! - • Mind-controlling Paras...
    Toxoplasmosis: How Parasites in Your Cat Can Infect Your Brain - • Toxoplasmosis: How Par...
    Why Don't Humans Get Heartworm? (Spoiler: We Do) - • Why Don't Humans Get H...
    Why You Might Want Parasitic Worms - • Why You Might Want Par...

ความคิดเห็น • 992

  • @listennui
    @listennui 2 ปีที่แล้ว +1140

    No sir, this tapeworm is my antihistamine support animal

  • @SerunaXI
    @SerunaXI 2 ปีที่แล้ว +485

    Worst part of dealing with bedbugs is you are paranoid even years after you are free of them. Lord, there are days I still wanna prepare the vacuum and flip the mattress up just to do a sweep.

    • @ryanblack2986
      @ryanblack2986 2 ปีที่แล้ว +47

      omg i know! When i moved into my apartment it was infested. I couldnt sleep and kept feeling imaginary itches. I sprayed sprayed and sprayed some more and finally got rid of them. almost a year later though i found one crawling out of the drain in my bathroom sink, very unusual for bed bugs. still freaked!

    • @tallahasseepcs8329
      @tallahasseepcs8329 2 ปีที่แล้ว +27

      @@ryanblack2986 definately should spray again! Took us 2 years to rid ours we got from a couch we bought from a really nice home. Felt bites and looked and it was infested. That gave me ptsd for any used items lol. 2 damn years

    • @Skag_Sisyphus
      @Skag_Sisyphus 2 ปีที่แล้ว +13

      It's been a year since I left the CCC housing that gave me bed bugs and I'm still waking up in cold sweats swatting imaginary bugs. Not that squashing them kills them. You have to crush them between your nails or dump caustic chemicals on them etc.

    • @tallahasseepcs8329
      @tallahasseepcs8329 2 ปีที่แล้ว +13

      @@Skag_Sisyphus I have never felt more satisfied then when I found out I had won that war.

    • @Skag_Sisyphus
      @Skag_Sisyphus 2 ปีที่แล้ว +3

      @@tallahasseepcs8329 it scared me a little knowing the sick pleasure i took watching them squirm in agony as they died sicking in caustic chemicals.

  • @pentalarclikesit822
    @pentalarclikesit822 2 ปีที่แล้ว +161

    58,484 fears. . . "Good news is very unlikely a fish will swim up your urethra!" . . . 58,483 fears.

    • @abdouaboud7490
      @abdouaboud7490 2 ปีที่แล้ว +13

      58484 if you like swimming in pounds or lakes

    • @korioa
      @korioa 2 ปีที่แล้ว +6

      @@abdouaboud7490 58,483 if you're into that sort of thing

    • @abdouaboud7490
      @abdouaboud7490 2 ปีที่แล้ว +3

      @@korioa 58484 if the fish is also into those sort of things

    • @lazertroll702
      @lazertroll702 2 ปีที่แล้ว +1

      What's the point of counting fears? How could someone possibly be so fearful? I don't get it .. 😕

    • @opalumbre
      @opalumbre 2 ปีที่แล้ว +1

      It was a joke

  • @joshuasalem5022
    @joshuasalem5022 2 ปีที่แล้ว +447

    1:24 The “You are mostly bacteria” fact has since been corrected. You actually have about the same number of human cells and bacteria cells, but you get rid of most of that bacteria every time you defecate.

    • @frankabjh674
      @frankabjh674 2 ปีที่แล้ว +26

      finally i thought i was tripping

    • @nathanseals6009
      @nathanseals6009 2 ปีที่แล้ว +11

      Cmon scishow. Do better

    • @roastedtoast4015
      @roastedtoast4015 2 ปีที่แล้ว +44

      I think remember Hank narrated a video correcting it...

    • @fastjerk
      @fastjerk 2 ปีที่แล้ว +31

      @@nathanseals6009 it was 2012 hadn't been corrected yet

    • @theentertaner
      @theentertaner 2 ปีที่แล้ว +4

      You get rid of about a third of the bacteria every time you poop

  • @baranorak4080
    @baranorak4080 2 ปีที่แล้ว +543

    2012 Hank... wow that's quite the throwback

    • @geraldbal7945
      @geraldbal7945 2 ปีที่แล้ว +3

      can we get a just hank?

    • @monted91
      @monted91 2 ปีที่แล้ว +7

      You commented this two hours ago. Imagine how I feel now in the future.

    • @BirdThatEatsPrometheussLiver
      @BirdThatEatsPrometheussLiver 2 ปีที่แล้ว +2

      @@monted91 no

    • @addicted2caffeine
      @addicted2caffeine 2 ปีที่แล้ว +1

      i saw your comment and now want to see decade younger hank

    • @animeloveer97
      @animeloveer97 2 ปีที่แล้ว +1

      its weird remembering seeing those old videos when they were new

  • @stkygrnz
    @stkygrnz 2 ปีที่แล้ว +1475

    Just seeing 2012 Hank shows that the man was made for being a presenter. He is so natural at it. His little tics and speaking style haven't changed at all over the years.

    • @daurykais
      @daurykais 2 ปีที่แล้ว +19

      What, you don't notice all the cuts?

    • @nadapenny8592
      @nadapenny8592 2 ปีที่แล้ว +41

      If you enjoy his style, check out the Journey to the Microcosmos series. It's very natural

    • @stuck_around
      @stuck_around 2 ปีที่แล้ว +65

      his cadence is a bit less 'drunk' now but still has plenty of character

    • @HotelPapa100
      @HotelPapa100 2 ปีที่แล้ว +15

      Actually early Hank turned me off completely (not this presentation, but when he put on his ADHD persona.)

    • @Usernoobmaster
      @Usernoobmaster 2 ปีที่แล้ว +9

      That's what made him unique

  • @mistingwolf
    @mistingwolf 2 ปีที่แล้ว +212

    Oh, the worms part made me remember something very sad. I was watching a veterinarian show and owners came in with a very lethargic bearded dragon. Owners of any animal, be sure to get your pet checked regularly for parasites! (something gross follows)
    .
    .
    .
    .
    The poor thing had so many worms in it that when the animal was sedated for examination, they started crawling out of its windpipe. Yeah, that animal did not make it.

    • @sharonlisha1783
      @sharonlisha1783 2 ปีที่แล้ว +18

      😭 😰😭😱😭😫😭

    • @peggedyourdad9560
      @peggedyourdad9560 2 ปีที่แล้ว +33

      How tf did those owners not notice it much earlier because we both know that a parasitic infection like that takes a long time to develop with plenty of signs and symptoms along the way.

    • @char1211
      @char1211 2 ปีที่แล้ว +31

      @@peggedyourdad9560 Idk how familiar you are with reptiles but it can be incredibly difficult to read their body language and they rarely look like they're sick or in pain, even though they are. Obviously there are still signs and symptoms to look out for but they're easy to miss, especially for an inexperienced owner!

    • @peggedyourdad9560
      @peggedyourdad9560 2 ปีที่แล้ว +20

      @@char1211 I’m decently familiar with keeping reptiles, I have a normal bp and 2 leopard geckos. They definitely don’t act like how you’d expect them to if they’re not well, but in my experience any sudden behavior change is pretty big sign that something’s not right. I think this where just being familiar with both the species and individual becomes especially important. I will admit though that I do still have to give my guys a good look-over every once in a while to check for issues, that’s actually how I caught the very early signs of a scale infection on my bp before it became to big to deal with at home (he’s fine now btw after about 2 weeks of nightly iodine baths). I still stand by what I said, if they actually cared to pay attention they would’ve noticed there was something up before that point.

    • @char1211
      @char1211 2 ปีที่แล้ว +11

      @@peggedyourdad9560 Oh cool! I have a crested gecko myself, though I've only had him for a couple of months so you're way more experienced than me. I agree that they probably could've noticed the infection earlier but I also think it's unfair to assume they were neglectful

  • @renkio
    @renkio 2 ปีที่แล้ว +102

    Since toxoplasma gondii infection correlates with an increase risk of depression and self-harm in humans, might it not cause the same in rats? So maybe infected rats become suicidal. It's not that they're suddenly cat-loving; they're probably like "just take me I don't care anymore".

    • @omarzag9220
      @omarzag9220 7 หลายเดือนก่อน +8

      Solid point

  • @yamushu725
    @yamushu725 2 ปีที่แล้ว +433

    Hank's little laugh as he goes, "We're our little biome!"
    that was rlly adorable
    ( 1:54 )

    • @gtbkts
      @gtbkts 2 ปีที่แล้ว +2

      Lmao

    • @danwic
      @danwic 2 ปีที่แล้ว +2

      He is adorable:) love every video with hank in it :))

  • @thescholarsjourney661
    @thescholarsjourney661 2 ปีที่แล้ว +240

    This may not be the episode for me to watch while I'm eating....

    • @yeah8598
      @yeah8598 2 ปีที่แล้ว +17

      I am watching while eating lol

    • @glenngriffon8032
      @glenngriffon8032 2 ปีที่แล้ว +14

      as a rule i never eat while watching scishow

    • @Annathroy
      @Annathroy 2 ปีที่แล้ว +5

      Or while being on the toilet

    • @thescholarsjourney661
      @thescholarsjourney661 2 ปีที่แล้ว +4

      @@yeah8598 congratulations on having a stronger stomach than me

    • @creationfied
      @creationfied 2 ปีที่แล้ว +3

      @@yeah8598 same lol

  • @SuLokify
    @SuLokify 2 ปีที่แล้ว +120

    Parasites are evolutionary wizards. Their relationship with their hosts create a beautifully elliptical fitness back-and-forth.

  • @stevie-ray2020
    @stevie-ray2020 2 ปีที่แล้ว +153

    Just accept that you're the host, & you have one helluva party inside!

    • @abdouaboud7490
      @abdouaboud7490 2 ปีที่แล้ว +4

      @ayy lmao remind of that one episode of adventure time where a giant has an army of bears living and partying inside his tummy

    • @tyson6762
      @tyson6762 2 ปีที่แล้ว +4

      @ayy lmao You just unlocked a memory

    • @peggedyourdad9560
      @peggedyourdad9560 2 ปีที่แล้ว +1

      @@tyson6762 Same here.

    • @KatieDeGo
      @KatieDeGo 2 ปีที่แล้ว

      Gives a whole new meaning to "Be a new host!"

  • @alphatonic1481
    @alphatonic1481 2 ปีที่แล้ว +77

    When i hear about helpful worms i have to think about that one Futurama episode where Fry got worms by eating a black tomato slice thinking he ate a chocolate cookie. The worms he got from it made him 100% healthy and even helped him grow some muscles. Back then i wanted those worms too.

    • @johnhoran5814
      @johnhoran5814 2 ปีที่แล้ว +2

      Ya I really love that episode of Futurama, I think he got them from a burger. 😎👍

    • @Hi_Im_Akward
      @Hi_Im_Akward ปีที่แล้ว +26

      He got them from an "egg salad sandwich " from a vending machine inside a gas station bathroom

    • @robertabarnhart6240
      @robertabarnhart6240 ปีที่แล้ว +7

      @@Hi_Im_Akward Yeah - the type of "egg" wasn't specified....

    • @babitas5401
      @babitas5401 11 หลายเดือนก่อน +2

      Yes sometimes when you eat unhealthy food you get it

    • @lobban2
      @lobban2 8 หลายเดือนก่อน +1

      They even made him heal wounds in seconds and trimmed his brain to make him smarter. I wouldn't mind worms if they made me superhuman.

  • @ehjones
    @ehjones 2 ปีที่แล้ว +121

    It's worth pointing out about toxoplasmosis that the eggs shed in the faeces don't become infective for 1-5 days so fresh faeces isn't infective. It's microscopic faecal residue that might get on your cats paws and then gets shed wherever the cat goes that's infective.
    Clean out the litter tray promptly, and wash your hands regularly, especially after gardening or playing outside.

    • @peggedyourdad9560
      @peggedyourdad9560 2 ปีที่แล้ว +14

      I've heard that many of these cases might happen from people not washing their garden vegetables before eating or preparing them if they have a cat that goes outside.

    • @saritalevinthal3455
      @saritalevinthal3455 2 ปีที่แล้ว +10

      You should also wash red meat and wash your hands after handling red meat…I was born with toxoplasmosis

    • @samhg3658
      @samhg3658 2 ปีที่แล้ว +11

      And don't let your cat put their paw on your face. The cats around my house love doing that and we can't lay in peace without them coming up to us and putting their whole body over our faces.
      My mom can't barely watch tv because her cat simply sits on her neck and stays there.

    • @PoweredByLS2
      @PoweredByLS2 ปีที่แล้ว +3

      @@saritalevinthal3455 How did you get it diagnosed?

    • @Invisble748
      @Invisble748 ปีที่แล้ว +2

      This is most likely for outdoor cats or indoor cats who eat raw meat or rodents.

  • @prapanthebachelorette6803
    @prapanthebachelorette6803 2 ปีที่แล้ว +63

    Hank: Worms, don’t google it. It’s gross 🤢
    Me: Well…. Studying healthcare in tropical zone makes that inevitable for me 🤣🤣🤣🤣

  • @hannah2818
    @hannah2818 2 ปีที่แล้ว +199

    At my last job my boss started getting colonics and was convinced she had parasites that would need multiple colonics… could you do an episode talking about the pseudoscience that goes into colonics and misdiagnosing normal changes in our poop as parasites?

    • @olenhol2przez4
      @olenhol2przez4 2 ปีที่แล้ว +3

      Its hard to be under idiots like these... I wouldnt be able to do it for long

    • @joerionis5902
      @joerionis5902 2 ปีที่แล้ว +3

      I think Professor Dave is the person you need to ask

    • @Jukajobs
      @Jukajobs 2 ปีที่แล้ว +11

      fear of parasites that aren't there are used to promote sooo much pseudoscience, that example is one of many. the whole thing with using bleach to "cure autism", for example, is connected to that. Miracle Mineral Supplements and other similar companies and people claim that autism is caused by parasites and that their products can help you get rid of them. after you take them for a while (or, most commonly, give them to your child), you might see weird little things coming out in your poop, but those things are not worms, they're parts of your intestinal lining that is being damaged severely by ingesting a type of bleach. and more recently there's been Black Oxygen Organics claiming that you're full of parasites and that the way to make it better is to.... eat some soil. some super fancy and very expensive soil with certain special nutrients in it. or to put it in your bath or something like that, according to them. which seems less dangerous than taking bleach, but it's still bad.

    • @kristelbrok998
      @kristelbrok998 2 ปีที่แล้ว +1

      Sounds like BOO 😅

    • @caroljo420
      @caroljo420 2 ปีที่แล้ว

      Sounds interesting!

  • @robertabarnhart6240
    @robertabarnhart6240 ปีที่แล้ว +11

    Interesting tidbit I learned in bio class: in areas where botflies are common, cuckoo eggs don't have to be so similar to the host bird eggs. The reason is that cuckoo chicks really love botfly larvae, so they keep their stepsiblings from getting blinded by botflies. So the host parents have an incentive to keep them around. Of course, it's not a conscious choice, just instinct.

    • @gavinrobinson8925
      @gavinrobinson8925 ปีที่แล้ว +3

      finaly! 1 good thing about cuckoo birds, i hate them slightly less now.

  • @Archronis
    @Archronis 2 ปีที่แล้ว +22

    Surprised Hank didn't mention the Rat Lungworm. Probably the scariest parasite out there.

    • @laanaalove
      @laanaalove ปีที่แล้ว +3

      Imo Nigeria floweri or w.e is pretty scary, but I'd rather have that over rat lungworm

    • @Khoros-Mythos
      @Khoros-Mythos 8 หลายเดือนก่อน +2

      "lungworm" yep, definitely not googling that

  • @hannahlistento100EAT
    @hannahlistento100EAT 2 ปีที่แล้ว +47

    Ankle, anus, and abdomen, parasites are more viscerally unappealing

  • @pabrown69
    @pabrown69 2 ปีที่แล้ว +21

    I contracted toxoplasmosis when I was 11. It nearly blinded me in one eye - my vision in that eye is 20/200. I’ve sometimes wondered if I was left with any other behavioral changes.

    • @laanaalove
      @laanaalove ปีที่แล้ว +1

      What did you notice in terms of visual changes

  • @EdsonR13
    @EdsonR13 2 ปีที่แล้ว +23

    So that Greys anatomy episode with the guy infecting himself with worms to treat his asthma was actually rooted in some real science

    • @suzannebrown2505
      @suzannebrown2505 หลายเดือนก่อน +1

      The only meds I treat my allergies and asthma with are pills and inhalers. No worms. EVER! 🤢😰

  • @mr.mentesh8130
    @mr.mentesh8130 2 ปีที่แล้ว +37

    "These little b*stards" love Hank, absolute legend and my favourite 🤣😁

  • @damianGray
    @damianGray 2 ปีที่แล้ว +20

    "Wouldn't you just love to spoon a cat?"
    The forbidden spoons

  • @injunsun
    @injunsun 2 ปีที่แล้ว +12

    Giardia may have cured ny demographia. I was afflicted from age 13 till about 29, when I caught giardia. My most extreme form of demographia went away, then I was treated for giardiasis, and it never returned, while my sister was afflicted from 3 till her death at 47. Mine was so severe, vibrations made
    my skin swell. You could write your name on me, and in minutes, it looked like The Exorcist. An ice cube would bring a wealt, while winter cold would make my extremities swell solid. A sunlamp would bring body wide wealts. I don't know if having giardia saved me from all that, but it seems likely, as this was all an Ig-E overreaction.

  • @katyowens3119
    @katyowens3119 2 ปีที่แล้ว +18

    Shout out to This Podcast Will Kill You for covering each of the parasites mentioned by 2012 Hank! Great show. If you like this channel, you’ll love that podcast.

  • @laanaalove
    @laanaalove ปีที่แล้ว +17

    I have what I suspect to potentially be delusional parasitosis (or perhaps some form of parasite related health anxiety/ ocd) yet I find myself endlessly consuming like university level parasitology material bc I tell myself that knowledge is power (I should seriously stop) but thank you for the trigger warning ❤

    • @laanaalove
      @laanaalove ปีที่แล้ว +2

      Or maybe just maybe I do in fact have a parasitic infestation of some sort and all these years I've been correct

    • @laanaalove
      @laanaalove ปีที่แล้ว +2

      Haha jk... unless??

    • @Destiny-ig2fs
      @Destiny-ig2fs 2 หลายเดือนก่อน +1

      Unless😅

    • @laanaalove
      @laanaalove 2 หลายเดือนก่อน

      @@Destiny-ig2fs 👀🥺

  • @anything4validation
    @anything4validation 2 ปีที่แล้ว +7

    having been on a long-term course of extreme antibiotics, stomach bacteria is definitely important and it can be hard to eat or even keep food down without them.

  • @dillingerjackson39
    @dillingerjackson39 2 ปีที่แล้ว +53

    Would you guys be able to do a video on ‘Dermatomyositis’? My wife is afflicted with this at 25, and while I’ve done my own research, I’d like to hear a more educated breakdown of the disease.

    • @ryanblack2986
      @ryanblack2986 2 ปีที่แล้ว +11

      I dont want to scare or worry you but mt Aunt died from dermatomyositis in her early 40s. It took a long time for them to diagnose it because its so rare. I was only a kid then in the mid 90s, but I remember how swollen she was, especially her face. They had her on lots of Prednisone. Its a strange thing since it can go away completely or cause a lot of dis-ease.

    • @dillingerjackson39
      @dillingerjackson39 2 ปีที่แล้ว +10

      @@ryanblack2986 yes, they have her on lots of steroids, she's not swollen but she does have rash and muscle weakness. Definitely deal with things day to day but I'm just trying to learn as much as I can about it.

    • @laanaalove
      @laanaalove ปีที่แล้ว +1

      Has nothing to do w parasites so worry not! It's a rare agressive type of inflammatory autoimmune disease that attacks primarily muscles and also has a characteristic red rash over the knuckles called gottrons papules as well as the eyelids and any extensor surfaces (elbow, knee ect) it is linked to a high-end risk of certain cancers as well. The cause of this is unknown. Hopefully ur wife is doing well!

    • @dillingerjackson39
      @dillingerjackson39 ปีที่แล้ว +4

      @@laanaalove I am aware, at the time it was on my mind and thought I’d ask. She is doing okay at the moment just lots of medication. Some get the rash some get the muscle weakness, she got both. Overall much better now than when it began.

    • @laanaalove
      @laanaalove ปีที่แล้ว +1

      @@dillingerjackson39 I'm very glad to hear

  • @joseMgarcia0711
    @joseMgarcia0711 2 ปีที่แล้ว +29

    Those 4 categories Hank says are redundant. There should only be one. Parasites are all "freaky" stuff. I'm fascinated and horrified at the same time by them.

  • @ivytarablair
    @ivytarablair 2 ปีที่แล้ว +10

    aww yay!! 2012 Hank is just as fun to watch as 2021 Hank :D I love seeing presenters/artists at different times in their career, and I love earlier work just as much as later work, they all have their charms ;)

  • @fghsgh
    @fghsgh 2 ปีที่แล้ว +17

    And another Compilation in the title! Thanks guys!

    • @ZeroAnalogy
      @ZeroAnalogy 2 ปีที่แล้ว +4

      Yes, not always disclosed often eliciting the ire of the viewing public.

  • @gtbkts
    @gtbkts 2 ปีที่แล้ว +13

    This is the compilation we didnt know we needed.

    • @stevie-ray2020
      @stevie-ray2020 2 ปีที่แล้ว +2

      Just accept that you're the host, & you have one helluva party inside!

  • @maximilianosalvador9559
    @maximilianosalvador9559 2 ปีที่แล้ว +31

    Day 58 of asking for the return of Scishow Quizshow

  • @benmcreynolds8581
    @benmcreynolds8581 2 ปีที่แล้ว +4

    I Love and am Equally freaked out by parasites but I'm so facinated to learn and study all about them. I hope one day we learn how to help anyone infected by any given parasites that we currently have trouble treating a diagnosing.

  • @angelachouinard4581
    @angelachouinard4581 ปีที่แล้ว +2

    The poisons lured me in, the parasites got me hooked and I can't wait for the toxins to knock me out. Just subscribed and having so much fun! Why didn't the algorithm find you for me sooner?

  • @PlumBerryDelicious
    @PlumBerryDelicious 7 หลายเดือนก่อน +2

    My career revolves around fecal microbiome transplants and their effects on melanoma! Love this video!!

  • @Annathroy
    @Annathroy 2 ปีที่แล้ว +56

    There really aren't ten times more bacteria cells than you cells in, well, you.
    This has been disproved times and times again.
    The original cited research was based on mostly guts (and bacteria in guts) where the 10-1 ratio might very well be true, however in general its more like 50-50

    • @Annathroy
      @Annathroy 2 ปีที่แล้ว +13

      Also, no parasite is capable (or fish for that matter) of swimming or flying or whatever in your urethra. This was an urban legend

    • @lealta1481
      @lealta1481 2 ปีที่แล้ว +3

      Thank you. I was gonna post this

    • @Cr3zant
      @Cr3zant 2 ปีที่แล้ว +3

      @@Annathroy Uh yeah, they literally said immediately after that new information was found since the 2012 video that showed it was incredibly unlikely for the fish to get in the urethra.

    • @Cr3zant
      @Cr3zant 2 ปีที่แล้ว +6

      @@tron-8140 Because it's a compilation of themed videos from the channel's history. The rest of the video was still fine, and they stated immediately after that that one segment was wrong. Should people stop sharing Einstein's papers of relativity just because Hawking disproved like 2 statements in it?

    • @Smithington_
      @Smithington_ 2 ปีที่แล้ว +1

      @@Cr3zant They could have easily edited it out.

  • @brianhenrichs9409
    @brianhenrichs9409 2 ปีที่แล้ว +3

    Yay!! Thank you for using "compilation" in the title again. I know it's probably unrelated to my previous comments but I feel very listened to. This is the best channel on youtube by far.

  • @joec8750
    @joec8750 2 ปีที่แล้ว +5

    I some how find it strange yet perfectly natural to see old hank, the way he appeared when I first started learning from him when I lived it Maine. I'm sitting here in Bozeman Montana ATM and wow ! Hanks come along way yet is still eer..was , in 2012 pretty frigging awesome

  • @papertowelrack
    @papertowelrack 2 ปีที่แล้ว +5

    They forgot the ultimate parasites: Embryos

  • @kimberlypatton205
    @kimberlypatton205 ปีที่แล้ว +3

    The most horrific parasite story I think I’ve ever heard of was of a young man in Australia who( as a joke among his friends) was dared, or made a bet somewhat with his friend group one day that he would eat a garden snail or garden slug. Within a very short time he was infested with a parasite present and common in them that destroyed his brain. It was so senseless, mind-blowing and tragic…. It pays to pay attention to any pathways and orifices that lead into your body and be mindful of all microscopic or native things in nature.

    • @kevinmcdowell9074
      @kevinmcdowell9074 10 หลายเดือนก่อน +2

      Its called Rat Lungworm Disease. And the boy slipped into a coma from the brain eating amoeba I believe it was anyway he died a slow and painful death. Very tragic, my heart breaks to know it was so innocent yet so painful and ultimately fatal.

  • @liviawong6928
    @liviawong6928 ปีที่แล้ว +5

    Tapeworms are horrid. I have 2 cats and they've both had tapeworm at least 2 times. Though, we thankfully found out almost right away and were able to get rid of them with just some tapeworm tablet medicine

  • @patriciarussell8450
    @patriciarussell8450 2 ปีที่แล้ว +1

    Love watching all these programs learn more and more everyday, thanks Hank for sharing and keeping us informed.☺

  • @darkydoom
    @darkydoom 2 ปีที่แล้ว +27

    Try dealing with a scabies outbreak in a health care facility. The paranoia is real!

    • @romeoslover817
      @romeoslover817 2 ปีที่แล้ว +4

      my mom experienced that nightmare in a nursing home. of course, she gets discharged and brings the buggers home.

    • @darkydoom
      @darkydoom 2 ปีที่แล้ว +3

      @@romeoslover817 aahh damn

  • @tired1923
    @tired1923 ปีที่แล้ว +3

    my first thought hearing about the cat parasite possibly influencing our love for them was “aw that’s fine they’re cute I’ll let them, as a treat”. maybe those scientists really are onto something

  • @FloozieOne
    @FloozieOne 2 ปีที่แล้ว +6

    Actually, Toxoplasmosis doesn't say to a rat, "Look at the beautiful kitty. Wouldn't you like to snuggle up to it? Don't be afraid, it's just a nice friendly cat". The parasite is much trickier than that. Rats know the scent of cat pee and will avoid places that smell of it. They can even sometimes smell whatever few drops remain on the cat's fur after it pees. Naturally they will run away from this scent which is one reason cats have to sneak up on rats and then pounce. However, toxo makes the rats LOVE the smell of cat pee and they will run towards it and even seek it our thereby giving the cat a nice tasty treat and continuing their life cycle. I don't know what category of parasitism this comes under but probably the mutualistic kind since both the cat and the toxo benefit from the arrangement.

  • @potatonope9774
    @potatonope9774 2 ปีที่แล้ว +2

    "We're our own biome!" He sounds so happy :)

  • @Joss0051
    @Joss0051 2 ปีที่แล้ว +1

    I knew a lot of this but there were some parts I did not, so thanks, and especial thanks for all the effort and research to put this together in such a neat way. Kudos.

  • @Neloish
    @Neloish 2 ปีที่แล้ว +16

    This make me glad that the ivermectin craze is happing, at least they won't be wormy.

    • @injunsun
      @injunsun 2 ปีที่แล้ว +10

      It works for bedbugs, if someone takes the human form at human doseage, which is 0.2mg per ten pounds bodyweight per day. I used it a few years ago, 3mg every 5 days, for three months, while heat treating the bed, and got rid of them, after a miserable 7 year infestation. My doctor was skeptical, but this _is_ a parasite, and I had tried literally everything on the market, except throwing everything away and burning my house down. Meanwhile, covidiots are their own parasites. I'm fully vaxxed, about to get my booster, masked when necessary, because I'm not an a**hole.

    • @Neloish
      @Neloish 2 ปีที่แล้ว +2

      @@injunsun Diatomaceous earth is the solution to bed bugs.

    • @levitschetter5288
      @levitschetter5288 2 ปีที่แล้ว +2

      The only cure is holy fire to burn the infidels

    • @SkDiggy
      @SkDiggy 2 ปีที่แล้ว +5

      @@injunsun wait until they start ingesting parasites that allegedly eat viruses 😂

    • @injunsun
      @injunsun 2 ปีที่แล้ว +2

      @@SkDiggy Shiz... I'm about ready to ingest a damn tapeworm, just to get rid of these last phokin' 15 pounds (a stone). And when I'm back fitting into my 29" waist Levi's 501s, I know the precise medicine to take to shi.... er... cause that thing to leave my bowels. Lol!

  • @Lizablue0608
    @Lizablue0608 2 ปีที่แล้ว +9

    Can we appreciate the code word warning mamas? It’s brilliant. 🤔 These mama’s know their kids.

    • @laanaalove
      @laanaalove 9 หลายเดือนก่อน

      What

  • @richard_d_bird
    @richard_d_bird 2 ปีที่แล้ว +5

    category 5: relatives

    • @stevie-ray2020
      @stevie-ray2020 2 ปีที่แล้ว +1

      No, they're category 6, category 5 are housemates!

  • @prodigalpriest
    @prodigalpriest ปีที่แล้ว +6

    I can tell you from experience that Toxoplasmosis can affect humans. I know because I had Toxoplasmosis in my mother's womb every time she ate raw hamburger meat in the form of steak tartare. She wasn't affected but my retinas wound up severely scarred because of it.
    I only have one functional eye that is nearsighted, and the other eye is like looking through a keyhole sideways so not usable.
    I've heard about other people who were completely blind due to Toxoplasmosis so I consider myself fortunate to have what sight I do.
    Never take what you have for granted. It's too easy to lose those things. God bless you all. 🙏♥️

  • @jakoblarok
    @jakoblarok 2 ปีที่แล้ว +5

    3:29 "It's not really affecting you in any way..."
    Unless it turns out to be true that such follicular mites play an important role in an allergy that can be causing rosacea flare-ups in certain humans, causing social ridicule and borderline persecution, in communities unfamiliar with this condition...

  • @Dogtroll
    @Dogtroll 2 ปีที่แล้ว +14

    Actually, that parasite that makes rats become attracted to cats could also help to explain cat hoarding.

    • @MadsterV
      @MadsterV 2 ปีที่แล้ว +3

      this is what I want to know too, a missed opportunity by the toxoplasmosis study, they could have asked do you have/how many cats

    • @originalbillyspeed1
      @originalbillyspeed1 2 ปีที่แล้ว

      The only way to properly test it would to infect someone with the parasite and then detrmine if it makes them like cats more. Very unlikely to happen.

    • @Dogtroll
      @Dogtroll 2 ปีที่แล้ว +3

      @@originalbillyspeed1 another option could be to test someone who is already a cat hoarder and try and eliminate the parasites from their system and then see if they still have an interest in hoarding cats.

    • @originalbillyspeed1
      @originalbillyspeed1 2 ปีที่แล้ว

      @@Dogtroll That wouldn't necessarily be conclusive. It's possible the parasite could cause permanent changes.

    • @Dogtroll
      @Dogtroll 2 ปีที่แล้ว

      @@originalbillyspeed1 well ethically speaking if it's possible to get rid of the parasites then it might be more appropriate to infect someone with them see if it has an effect then cure them. Also, I was thinking that you might have to take into account relativity meaning if a person has never shown any interest in cats they're not likely to become a cat hoarder but they might be more likely to pet their neighbors cat, whereas if a person started out being fond of cats they could possibly be the ones that wind up being cat hoarders.

  • @midgematic8659
    @midgematic8659 9 หลายเดือนก่อน +2

    **jumps onto doctor’s table** Alright doc, *WORM ME*

  • @T1Oracle
    @T1Oracle 2 ปีที่แล้ว +4

    Ah Toxoplasmosis! The reason why the internet is obsessed with cats!
    Toxoplasma Gondii: "Pet them filthy humans!"

  • @saeedgnu
    @saeedgnu 2 ปีที่แล้ว +4

    This is going to fuel my germaphobia! I already wash my hands 100 times a day, stay away from all animals, and every time my face itches I suspect it's face mites... I did not need to know all this info, but thanks anyway!

  • @doha057
    @doha057 2 ปีที่แล้ว +5

    Thank you guys, today I learned a great deal of knowledge which I could easily live without, thanks for the nightmares, but joking aside, glad to see such a long episode, great video.

  • @WormholeJim
    @WormholeJim 2 ปีที่แล้ว +1

    14:56 Feeling my eye brows creep upwards on my head as my eyes widen and my mouth expels air in the sound of a drawn out "no waaaayy" even as laughter starts bubbling up from my midsection, then 15:02 comes around and everything is just horrible again.

  • @northwestpassage6234
    @northwestpassage6234 2 ปีที่แล้ว +2

    This was a great choice for an educational breakfast video. Unfortunately I didn’t get too far through my breakfast before losing my appetite and being convinced I didn’t cook the meat well enough.

  • @loveisinportant5570
    @loveisinportant5570 2 ปีที่แล้ว +4

    I'm surprised the ten to one ratio of microorganisms and human cells was left in. I recall it being talked about not too long ago and how that figure has been blown out of proportion from a faulty report or something.

    • @ZoranRavic
      @ZoranRavic 2 ปีที่แล้ว +2

      Yea, it seems ridiculous that there are 10 times more of them and yet most of them are in our gut.

  • @quintenwhyte6660
    @quintenwhyte6660 2 ปีที่แล้ว +4

    "Parasite!?! Apologize!!"-Venom

    • @simonw.1223
      @simonw.1223 2 ปีที่แล้ว +1

      "I am a symbiont"

  • @imlistening1137
    @imlistening1137 2 ปีที่แล้ว +1

    I loved seeing Hank talk about creepy crawlers again! So funny, but yet, true!

  • @prunabluepepper
    @prunabluepepper 2 ปีที่แล้ว +10

    The parasite on the thumbnail needs googly eyes. 👀

  • @PyroDesu
    @PyroDesu 2 ปีที่แล้ว +14

    Okay, something that really bothers me here: parasitism is *specifically* when a symbiotic organism is harmful to its host. Parasites by definition cannot be neutral or beneficial for the host. Don't use the word "parasite" for commensalistic or mutualistic symbiotes!

  • @seriquerj
    @seriquerj 2 ปีที่แล้ว +3

    I was about to mention the unlikeliness of the candiru mith

  • @Cybernaut551
    @Cybernaut551 2 ปีที่แล้ว

    This is the best friendly advice, yet!

  • @phyllisgoldberg-mx8lv
    @phyllisgoldberg-mx8lv 11 วันที่ผ่านมา +1

    A spider parasite that gets onto skin and forms xtra areas and xtra won’t let go with spider legs causing wrinkles and swelling and you can see themonfilmbutnotbynakedeyestarted with a marklikepencilmarksonwalldoors

  • @conlon4332
    @conlon4332 2 หลายเดือนก่อน +3

    Is anyone else really bothered by Hank keep calling bacteria animals? They're not even eukaryotes.

  • @FightCain
    @FightCain 2 ปีที่แล้ว +3

    God I hate worms. I’m more afraid of stuff that I can’t see, especially those that live inside you

    • @injunsun
      @injunsun 2 ปีที่แล้ว +1

      They didn't even get into the fungi that take over brains, forcing some animals to surrender themselves to predators. That's usually ants, but the X-Files used that trope, and it was scary af.

  • @Rabcup
    @Rabcup 2 ปีที่แล้ว

    Thanks for doing the thing

  • @craigh5236
    @craigh5236 2 ปีที่แล้ว +4

    That thing about the candiru is unconfirmed. There was only one case of that happening and that case is very unreliable.

  • @1234j
    @1234j 2 ปีที่แล้ว +3

    5:16 ''maRlaria': whaaaat??! (Being pedantic here just to distract myself from all the information contained herein, plus all the creatures living rent-free in me.)

  • @zsombik3992
    @zsombik3992 2 ปีที่แล้ว +6

    I miss 2012 Hank

  • @euniversitybangladesh710
    @euniversitybangladesh710 2 ปีที่แล้ว

    Thanks for sharing.

  • @littlelilac2805
    @littlelilac2805 ปีที่แล้ว +1

    As someone with atopy (asthma, gerd, nasal polyps, hey fever, spring conjunctivitis, food allergy, metal allergy, cat allergy, occasional urticaria) with family history of hasimoto thyroiditis, celiac and autoimmune kidney disease.. *I want to know how to pay a parasite*

  • @DaveSomething
    @DaveSomething 2 ปีที่แล้ว +5

    I know a lot of parasites

    • @trippyliquids
      @trippyliquids 2 ปีที่แล้ว +2

      I was one in my early 20s

  • @rayhaanadam9520
    @rayhaanadam9520 2 ปีที่แล้ว +4

    Thanks guys! I watch Sci show daily 😊

  • @iforgot8376
    @iforgot8376 2 ปีที่แล้ว

    Thanks this is just what I needed...

  • @GuantaiN
    @GuantaiN 2 ปีที่แล้ว +1

    Thanks! I'll be scratching myself for the whole week.

  • @ZeroAnalogy
    @ZeroAnalogy 2 ปีที่แล้ว +5

    27:55 Helminths sound like hell mints. Either way, neither seem to be good for the body.

  • @heathroush5343
    @heathroush5343 2 ปีที่แล้ว +7

    This was a great video to watch while eating dinner.

    • @abdouaboud7490
      @abdouaboud7490 2 ปีที่แล้ว

      I hope you were eating cat poop

  • @clydecraft5642
    @clydecraft5642 2 ปีที่แล้ว +1

    I think i could have toxoplasmosis then, i live with too many cats and nothing short of a jumpscare even gets a start out of me, and everyone i know says i dont get scared normally, my friends were all getting high out in the dark and seeing shadows move because of the wind and my headlights while im sitting there still having fun

  • @shootnado
    @shootnado 2 ปีที่แล้ว +2

    Fun a fact that's absolutely unrelated to this video: I used to watch a lot of sci show back at a very depressing time of my life and so now when I hear the intro I get to feel that same sadness as before. So weird, why is that? XD

    • @RyunoOhi
      @RyunoOhi หลายเดือนก่อน

      Sounds like a classic Pavlovian response.

  • @Oxnate
    @Oxnate 2 ปีที่แล้ว +7

    Thank god for Ivermectin!

    • @injunsun
      @injunsun 2 ปีที่แล้ว +2

      It works for bedbugs, when properly prescribed and taken, along with heat treating your bed.

  • @faithdorey5919
    @faithdorey5919 2 ปีที่แล้ว +4

    What about the guy that lived with like a dozen parasites and didnt do anything about it because he liked them

    • @sunsetgirl109
      @sunsetgirl109 2 ปีที่แล้ว +1

      Wait Wut??

    • @faithdorey5919
      @faithdorey5919 2 ปีที่แล้ว

      @@sunsetgirl109 heard the story aged ago but there was a guy that decided they are living and deserve to live so he allowed his body to be a host for a bunch of whatever he could catch. Kinda the pokemon of parasites, mind you I cant remember any that were very dangerous but he had like lice, hook worms, tapeworm, pin worms and more

    • @sadcat2434
      @sadcat2434 2 ปีที่แล้ว

      Did the parasite live inside him? Man that's f*cked up

    • @ZeroAnalogy
      @ZeroAnalogy 2 ปีที่แล้ว +1

      Lawyers? Can live with 'em, but can't kill 'em.

    • @misterflibble6601
      @misterflibble6601 2 ปีที่แล้ว +1

      Sounds like an urban legend

  • @jeremyjones8663
    @jeremyjones8663 10 หลายเดือนก่อน

    To host a SciShow, I laughed out loud!!

  • @JessieRed
    @JessieRed 10 หลายเดือนก่อน

    I just had a dream about scishow lol so….parasitic worms it is!!! Love what you guys do!

  • @akumaking1
    @akumaking1 2 ปีที่แล้ว +6

    You forgot to mention the parasites in DC.

    • @stevie-ray2020
      @stevie-ray2020 2 ปีที่แล้ว

      They're in all governments, and in all countries!

  • @adarshkamoda9183
    @adarshkamoda9183 2 ปีที่แล้ว +3

    I think I'm gonna begin a ritual for thanking god for putting me in New Zealand where most of this nonsense doesn't affect me.

    • @Kaitybardot
      @Kaitybardot 2 ปีที่แล้ว +1

      From my vantage point as an American, I'd say you probably have A LOT of things to be thankful for based on your location.

    • @adarshkamoda9183
      @adarshkamoda9183 2 ปีที่แล้ว

      @@Kaitybardot Seems fair.
      As an American, what problems plague you, miss? I am curious.

  • @susanbriggins5915
    @susanbriggins5915 2 ปีที่แล้ว

    This is making my brain crawl

  • @nataliekennedy4646
    @nataliekennedy4646 2 ปีที่แล้ว

    I have shuffled from that parasite theory before

  • @Werd2jaH
    @Werd2jaH 2 ปีที่แล้ว +5

    I wonder if they tested for t. gondii in fossilized saber tooth tiger poop to see if we were the ancient rats to those big cats in the life cycle of the parasite🤔

    • @bobbuilder155
      @bobbuilder155 2 ปีที่แล้ว

      😆😆😆😆😆😆😆

  • @Annathroy
    @Annathroy 2 ปีที่แล้ว +5

    Sounds like a good name for a movie or something

  • @jdrodriguez2283
    @jdrodriguez2283 2 ปีที่แล้ว +1

    Yes ! it going on one month that I got rid of the three parasite all the wanted it place to live, beer, smokes , food and somebody to pay all bills. My life is moving forward with out them.

  • @maureensurdez7841
    @maureensurdez7841 ปีที่แล้ว

    Very Eeeeuuu, but ALSO very informative!

  • @X51Blazer
    @X51Blazer 2 ปีที่แล้ว +3

    Man, I knew my mind has been ruined by hentai when I saw that thumbnail.

  • @brittneypearson9022
    @brittneypearson9022 2 ปีที่แล้ว +3

    What bothers me is how little people enjoy learning. And because of that.. when I was sold sick puppies with mites and I caught them (evolved to be transmittable to humans also know as scabies).. I was treated like a criminal and a nasty person by everyone once they found out about it having occurred. It really gets under my skin.

  • @melethalewis9315
    @melethalewis9315 2 ปีที่แล้ว

    This happened when we first discovered it in the 1971. And it gave us a better way to understand about our bodies and minds.😱😍

  • @Adakechi
    @Adakechi 2 หลายเดือนก่อน

    whenever a friend asks me what i want to eat i always pretend to ask the tapeworm that i don't have
    hopefully.