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6 Sleeper-Agent Pathogens That Can Make You Sick

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Your body usually does a great job defending you from all kinds of viruses, fungi, and bacteria. However, there are some pathogens out there that can hide from your immune system and stay dormant in your body, waiting for their opportunity to strike. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Bryce Daifuku, Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., Charles George, Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.ncbi.nlm.nih.gov/books/NBK27090/ Varicella zoster: http://umm.edu/health/medical/altmed/condition/varicellazoster-virus http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3118253/ Measles virus: http://www.sciencemag.org/news/2015/01/what-does-measles-actually-do http://qjmed.oxfordjournals.org/content/108/3/177 http://pmj.bmj.com/content/78/916/63.long#ref-36 Human immunodeficiency virus: http://www.niaid.nih.gov/topics/hivaids/understanding/howhivcausesaids/pages/howhiv.aspx https://www.aids.gov/hiv-aids-basics/just-diagnosed-with-hiv-aids/hiv-in-your-body/stages-of-hiv/ http://cid.oxfordjournals.org/content/34/1/91.full Mycobacterium tuberculosis: http://www.hindawi.com/journals/jir/2012/139127/ http://www.tbfacts.org/tb/ https://www.niaid.nih.gov/topics/tuberculosis/Understanding/WhatIsTB/pages/detailed.aspx http://www.ufjf.br/imunologia/files/2009/05/21-de-junho-2012-Revisiting-the-role-of-the-granuloma-in.pdf Bacillus anthracis: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1769905/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2784286/ http://www.microbeworld.org/interesting-facts/how-do-they-do-that/microbial-spore-formation Toxoplasma gondii: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3488815/#CIT0011 http://www.cdc.gov/parasites/toxoplasmosis/biology.html
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Текстовые комментарии (944)
Luke Weeks (1 день назад)
Big mistake watching this while eating
Sam Paige (1 день назад)
The Chickenpox Vaccine became available in the USA in 1995. I got chickenpox the fall of 1994. I was so ****ing angry that I couldn't just get the shot and be done. Even if the vaccine isn't 100% effective for you and you manage to get chickenpox, you tend to have a much less severe case. Kids these days are so lucky! (Assuming their parents aren't anti-vaxxers)
dl200010 (1 день назад)
I grew up in a family of 5. My younger 3 siblings had chickenpoxs, but I never got it. I even helped bath them and all. In direct contact. Nothing. Never got it. I did rush to get the vaccine when my daughter came down with it.
thaddeus wadzinski (14 дней назад)
try clostridium subtermanale i have that and it does odd things i now have a fused leg that is chronicaly infected cant really get ride of it because it produces endospores that lay dormant and can activate when the conditions are right and antibiotics only treat part of it but at least it just chills out in my leg it systematicaly initialy infected me but i fought it off exept in my leg and after every surgery it came back with a vengance even after post op my doctor has never seen anything like it i even tried to find it in the cdc but couldnt find anything about it so yeah i am screwed
Myriaddsystems (26 дней назад)
Mmmmm, delightful....
josef wall (1 месяц назад)
I'm so glad I was born with a genetic immunity to the chicken pox, mumps and measles.
steal threaded (2 месяца назад)
great now I am dying right before bed
Wolfy Kaname (2 месяца назад)
How about the fact anthrax spores can lay dormant in dry lakebeds for a century or more?
Hoehner Tim (3 месяца назад)
The Brits bombed a Gruinard Island in 1942 with anthrax to test it's effectiveness, making the island uninhabitable for 48 years. In 1986 they deconned the island with formaldehyde diluted with sea water and it was officially declared habitable in 1990. Since then they've been raising sheep on the island without a reappearance of the bacteria. Nasty stuff but apparenty there is a fix. https://en.wikipedia.org/wiki/Gruinard_Island
Michael Inglis (3 месяца назад)
Us 90's babys and earlier rock!!! What's that about herpes zoster you say? Before 95 you say? Damn. I was born April 26 1990 and I'll never forget the day during naptime in kindergarten that I asked to go to the nurse and was shortly after sent home with chicken pox.
NButler1993 (3 месяца назад)
I was part of a chicken pox vaccine study for Kaiser Permanente as a child, and I ended up contracting chicken pox three times through out my life. Once when I was 5, again when I was 8, and the last time when I was 13. Horrible experiences each time. P.S. No, the vaccine didn’t cause Autism. Vaccines don’t do that.
Sergey (3 месяца назад)
No HSV 🤔
Chelise Robson (4 месяца назад)
Vaccinate your Children.
Kat Murphy (4 месяца назад)
I really hope I don't have toxoplasmosis. I have enough mental health problems as it is.
Charles Quinn (4 месяца назад)
Schizophrenia is not a neurological disorder
Robyn Waugh (4 месяца назад)
I had an adult case of the chicken pox at 7. All over my whole body including inside my mouth and down my throat. I missed like two weeks or school and it was brutal 😖😖 I’m glad kids don’t have to go through that anymore
anony mess (4 месяца назад)
every antivaxxer needs to watch this. also im so glad i was born just in time to get the chickenpox vaccine. my aunt had shingles and it looked like total hell
Sensi Star (5 месяцев назад)
Lol I had chicken pox when I was 3... I scratched like crazy!!! But why don’t I have any scars?
musingartisan (5 месяцев назад)
Toxoplasmosis also creates a psychological change in infected rats, it makes them less cuatious of cats, in fact they seem calm and happy around cats. Toxoplasmosis is known to infect the brain of humans (thus schizophrenia, alzheimers etc.). Yet no research has been done to see if the infection can also cause a psychological change in humans to favour cats. This might be the source of the "Crazy Cat Lady" stereotype. Someone who suffers from schezophrenia, and the anxiety that comes with it, and are only calmed by the presence of many cats, increasing the chances of toxoplasmosis going from cat to human and back again.
Catgirl (5 месяцев назад)
That is why i keep my cats indoors.
VIKI (6 месяцев назад)
I’m old/young enough to remember my classmates getting chickenpox and being worried about catching it but I also was immunized before I was 10. Yay no shingles!
CANDI K (6 месяцев назад)
Adoption?
PaJeezy (6 месяцев назад)
they have chicken pox vaccine? Chicken pox isn't even worth vaccinating against lmao.
Sean Lutzke (6 месяцев назад)
After watching this, I think I've contracted all of these and now I need to go take a bath in napalm before I'll feel clean again.
Exodus fivesixfivesix (7 месяцев назад)
The question still remains. Are they alive? Or just a glitch in the matrix.
K Bee (7 месяцев назад)
Hep C is a fun one-you won’t know you have it and then your liver go to poop.
Paradox Ox (8 месяцев назад)
I had chicken pox and was vaccinated. Long story short, I also have immune disorders in my family. So I guess life sucks. Anyway, heres wonderwall.
Wolf Lykaios (9 месяцев назад)
Now I have the need to vaccinate against everything
TimberGeek (9 месяцев назад)
My cat Oscar seemed to have infected me with what was probably Toxoplasma gondii ...
Barbara Houk (9 месяцев назад)
I sure like all of your channels. Every once in awhile I sit down and give your channels 2-5 hours of my time. The trouble is I am disabled so I only represent a like to you and advertising on YouTube is being withheld for whimsical reasons so it is possible you are not monetized. Thus I am grateful to your list of those on patreon who can send you what they can afford. I truly thank them for keeping everyone working over all these years.
Cat Loving Trio (10 месяцев назад)
The last parasite can't make you sick directly. However, it can get you to contract diseases spread by cats.
Cat Loving Trio (10 месяцев назад)
You can only get chicken pot once, you might get it as a kid, if you don't, you should be safe from both chicken pox and shingles for the rest of your life.
Bill George Stout aka the organic mekanic (10 месяцев назад)
We are all equipped with the best treatment for shingles... its your own earwax! Seriously, but don't just take my word for it, rub even the slightest amount of your own earwax directly on the rash and you will find immediate soothing relief! I have found that it doesn't seem to return, at least not for 3yrs from my personal experience. Apparently our own ear secretions have antiviral properties.
DOKA2001 (11 месяцев назад)
I actually had shingles once and it wasnt a happy time
NITSUD 1111 (11 месяцев назад)
Damn.... gotta stop eating cat poop
beatnik gently (11 месяцев назад)
What's a funji?
Gavin Reich (11 месяцев назад)
If microorganisms don’t have brains how do they understand how to do this
Battleship009 (11 месяцев назад)
Can thermite or napalm kill anthrax?
SmitYT Gamer (11 месяцев назад)
?
Aadeez Blast (1 год назад)
No mention of the most common latent virus of all—herpes simplex virus?
Just some comment channel (1 год назад)
SciShow psych ? More like SciShow Sike !
David (1 год назад)
Sci Show Life and Sci Show Health would have been great, but you idiots had to choose Sci Show Psych, which is basically a load of pseudo scientific nonsense.
Self-cucking Whiteman, FAKE NOOSE (11 месяцев назад)
David wtf are you smoking son
Valeria Naranjo Cruz (1 год назад)
My inmunology teacher told us that given how terrible and deadly tuberculosis is (the second time round and when it is antibiotic resistant), she would rather get HIV than TB. You can treat HIV and survive, even live longer than someone without it (if you follow your treatment religiously). With TB you have to be lucky.
Bo Diddly (10 месяцев назад)
Your immunology teacher should think again about that. I have been living with HIV since 2006, when I got Pneumococcal Pneumonia and almost died (which is how I found out I was HIV+). With TB, you can take your meds and get rid of it completely and never have to take them again. With HIV, you have to take your meds, everyday, at around the same time, for the rest of your life, or you can have what they call a "Breakthrough", ie a virus resistance to one or more of the meds. Then you better hope that one of the other meds will work on your breakthrough virus. Even with taking your meds religously, you can still develop a breakthrough virus like I did. I am fortunate that adding a 4th med got me back to the "undetectable" status. Also, with HIV, your immune system is still compromised for the rest of your life, so any other virus or infection you get can cause your immune system to fail or falter, causing an HIV mutation, which starts the whole "Better find another med that works!" scenario.
RMAGGR (1 год назад)
Kids don't get chickenpox anymore? Chickenpox damn near killed me. Weird to think it's gone now.
Dani Aceves Sandoval (11 месяцев назад)
Right??? I got chicken pox as an adult and it was the worst!!! I wouldn't wish that on anyone. I had it about 5 years ago, I got it just from being around someone with shingles. I assumed I was vaccinated as a child but I wasn't.
Sombra Materium (1 год назад)
So If you’ve had chickenpox and been vaccinated, you won’t get shingles or... Can they still come back? Because if so I’m jumping off the cliff once I’m old and grey.
Sombra Materium (1 год назад)
Valeria Naranjo Cruz That’s pretty disgusting of a thought. I’m definitely going to look into getting vaccinated then, just in case it would help. Better safe than sorry!
Valeria Naranjo Cruz (1 год назад)
Kakyoin Noriaki If you've had chickenpox you have the risk to go through herpes zóster when older, but it is rare. I don't know how the vaccine works once you've had the infection though.
sadmac356 (1 год назад)
Also, wash your hands WITH SOAP after handling cat poop and/or the litter box.
Suzy Eide (1 год назад)
Like right now as I’m watching this with a bad sinus cold at 3 am cause I can’t breath. My body couldn’t catch this one 😑
Goldenheart ! (1 год назад)
I am so glad I was born after 2000
lubna abdul rehman (1 год назад)
0:21 FUNGI FUNJI CUTEEEEEEE LOLOLOLOLOLO
Beckah Mataronas (1 год назад)
It's amazing how we're not all dead by now. The human body is incredible. Also a reminder to vaccinate my little guy 👍
boynebula (1 год назад)
You didn't talk about malaria, some variations e.g. Plasmodium vivax and P. ovale sporozoites can stay dormant in liver cells for years, there have been cases where malarial symptoms have appeared 45 years after inoculation.
michael stussi (1 год назад)
Mutate this science geek !
Mel Tee (1 год назад)
But vaccines cause autism! (said all the uneducated watching this)
WolfydaWolf129 (1 год назад)
0:11 hello my name is Nobody and i like being (mildly) sick i get to stay home instead of going to school and i get to lay in bed all day if i want to
charlotte Bowyer (1 год назад)
wow, so the Crazy Cat Lady is a real thing....
Ray Mellon (1 год назад)
well that makes me not want to go out side
Chandler Short (1 год назад)
THE NUMBERS MASON
orange522 (1 год назад)
Don't eat cat poop. Life advice.
The anonymous one (1 год назад)
Did he say Fun Gie lol it’s pronounced fun guy
Sean Jamali (1 год назад)
Ganglia= peripheral nervous system
HermitHarry15 (1 год назад)
Lol the picture of the chickenpox virus looks like egg whites and yolk
Katherine Richardson (1 год назад)
Wash your hands after changing litter box and keep your cats inside
Chris Foley (1 год назад)
I had shingles when I was actually quite young, probably 10-12 years old in that range. I don't particularly remember large amounts of pain but putting on the ointment always sucked.
Amanda Wittenstein (1 год назад)
Had shingles at 28. Was so miserable.
anonymity (1 год назад)
I love the Dalek you have in the intro
Nolan Westrich (1 год назад)
It makes evolutionary sense that super-deadly pathogens would become these sleeper agents. If the pathogen killed whoever it infected right away, then all of its host population would die off, with the pathogen.
jedidiah john (1 год назад)
I feel like a geek by watching this....🤓😶
emu uwu (1 год назад)
my sister got shingles soon after she was born & my parents & the doctors were confused cause.....she was a baby who had never had chicken pox. turns out she got chicken pox In The Womb. 🤗 fun!
Bri (1 год назад)
Measles isn't the common cold, Karen.
Bri (1 год назад)
I got chicken pox when I was a toddler or young child then years later when I was 11 I got shingles 😥 it was so painful and terrible, in a band around my left rib cage that felt heavily bruised but it wasn't at all.
Amber Blyledge (9 месяцев назад)
That sounds horrible. Hope you are feeling better. Never heard of it so young before. Will have to research.
K Batt (9 месяцев назад)
That’s because shingles generally pops up in adulthood. In fact, many insurance companies won’t pay for a shingles vaccine if you’re under 60.
SandPox (10 месяцев назад)
Bri I have chicken pox when I was 4, now I'm 18 and still doesn't get shingles
Tooth Less (1 год назад)
But immune system almost never can destroy prions!!!!
obsessivebirdgirl (1 год назад)
*cough cough* can i use this to get out of school?
Reno The Fluffy Dragon (1 год назад)
My mother has had German measles 3 times, and English measles 1 time. Aren't you only meant to get measles once? Or is that just English measles?
Gratitude Ranch (1 год назад)
what about Lyme disease and the many co-infections, and how they can hide in cysts during treatment, and emerge later...
Logan Redding (1 год назад)
I was Young and I got shingles
gabe W (1 год назад)
sci show phych
FPSKrieger (1 год назад)
SciShow Psych!!!
aj12 (1 год назад)
Lyme disease
antiisocial (1 год назад)
Scishow Psych!!! Will it have pineapples?
border-san (1 год назад)
Scishow psych
Andrea dela Fuente (1 год назад)
My Dad got TB late in his life, turns out he got infected by someone else in his childhood. He got a severe type but survived in about two years of treatment.
ntsJN (1 год назад)
Fun fact: Toxoplasma gondii makes mice overcome their fear of cats, in many cases described as a love feeling for cats. Cats then eats mice, toxoplasma replicate inside cats, cats poop, mice eat poop and the circle of life continues (you know... for toxoplasma at least)
Mee Maw (1 год назад)
I GOT CHICKEN POX IN 2004! WHY THE HELL DID I NOT GRT THE VACCINE!
Deanna W (1 год назад)
don't let john watch this video
Ebony Foster (1 год назад)
the thumbnail makes me want mint choc chip icecream 😁
Adriana Lauer (1 год назад)
Hank there's a drug called daraprim to treat toxoplasmosis but Martin Shkreli raised the price from $13.50 a pill to $750 a pill.
Jack Lewis (1 год назад)
doseint the cat one re move the fear of cats in mice and stuffs brain? plz respond:(
Karan Nagpal (1 год назад)
FUN-FUCKING-JAI????????????????????????????????????????????????????????????????????
The Sqoou (1 год назад)
SciShow, you could have just as easily titled this "Can Make People Sick" so the fact that you titled it "You Sick" implies you want us to think you're talking to each of us specifically. Even in the video it was as if the annoying one was trying to scare us. Everything scary was directed at "you" and everything calming was directed at "people" or "they". You can kiss my ass specifically...
Der Sohnland (1 год назад)
Nobody likes being sick? so whats bulimia?
WhyDude (1 год назад)
How do i get to be a sleeper agent doe
kittea_lover (1 год назад)
Taxiplasmosis Gondii can be fatal to kittens. Only adult cats remain unaffected.
Extreme heat .. I thought you said that every element we know would melt on the surface of the Sun
eternal8song (1 год назад)
my cat wandered over right as Hank started talking about Toxoplasmosis. i guess death comes for us all eventually.
Daniel Hernández (1 год назад)
But, what about Treponema pallidum? It doesn't sometimes come back and give you dementia when poorly treated?
LEMMON 714 (1 год назад)
i got chicken pox at like 3 or 4 but got shingles when i was 12
Chelsea Evans (1 год назад)
This explains the cat allergy. It's a biological response to diseases cats may spread!?
IppityBippity (1 год назад)
No, it's usually a response to cat dander or saliva....
Chelsea Evans (1 год назад)
I adore this channel.
Benceladus0 (1 год назад)
HOW MANY WAYS CAN YOU PRONOUNCE FUNGI
mutantmaster1 (1 год назад)
I have a few round divot scars on various parts of my body because of chicken pox. curse you, chicken pox!!!

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