The Science of Anti-Vaccination


We haven’t talked about the “vaccine debate”
here on SciShow because there is no debate to have. Vaccines don’t cause autism, and they save
millions of lives every year. But there is a debate, whether or not it makes
sense. And a lot of people counter this with ridicule,
but we at SciShow aren’t about judgment, we’re about science, and using it to better
understand the world. We see the anti-vaccination movement as a
phenomenon to be understood. So instead of making yet another statement about how, yes,
vaccines are good, and no, they don’t cause autism, let’s use science to understand
why fewer and fewer people are getting their children vaccinated. I’m Hank Green, and this is SciShow. [Intro] First, let’s discuss how we ended up with
this imagined link between vaccinations and autism in the first place. Autism diagnoses are DEFINITELY on the rise;
now many scientists believe that this is largely or even completely because of more effective
diagnosis, and changes in how the diagnosis is reported. So while diagnoses of autism are increasing,
we can’t say for sure whether the incidence of autism is also increasing. If it is, it
must be because of some environmental factor. Now, when we talk about autism, we’re really
referring to range of developmental disorders, which can affect a person’s ability to communicate
or socialize, or cause them to develop patterns of behavior that become pretty specific and
inflexible. The condition can manifest itself in a lot
of different ways, but you’ve probably heard of them referred to together as autism spectrum
disorder, or ASD. While ASD has been found to have some strong
genetic components to it, there also seem to be environmental factors at work as well. And that’s really the root of this controversy
— we simply don’t know precisely what causes autism. And in the absence of an explanations, people
try to make sense of it themselves. And the way our brains do that is almost entirely
with cognitive bias. A cognitive bias is really just anything that
skews how we process and interpret new information. There are tons of different kinds of bias
— some biases cause us to ignore certain data; others lead us to put too much emphasis
on certain data; they can even drive us to focus on facts that are actually irrelevant
to what we’re observing. But essentially, when we hear a hypothesis
and think, “Yeah, that ‘Makes Sense’” really what we’re saying is “Yeah, that
fits with my cognitive biases.” And so people blame all sorts of things for
Autism…plastics, pesticides, the use of anti-depressants during pregnancy, GMOs, sugar,
gut bacteria, and vaccines. Basically, you start with whatever makes the most sense to
the person doing the hypothesizing. The onset of autism typically happens in one
of two ways. Either parents notice a delay in language development, typically around
the first birthday. Or they notice an apparently sudden loss of existing development, which
might happen all the way up through the third birthday. Now, humans are pattern recognition machines.
We need to be able to figure out what behaviors and strategies lead to positive outcomes. But, even more than that, we’re on the lookout
for things that lead to negative outcomes. This over-weighting of negative outcomes is
a well known psychological effect called “negativity bias.” So imagine you wake up one morning and your
car doesn’t work. Your brain is going to want to know what happened. Did you leave
your lights on? Did you drive though a huge puddle yesterday that maybe shorted something
out? There has to be SOME reason why it won’t start! On the other hand, if you get in a 15 year
old car and it starts up just fine after having had a bad week of barely getting going, you
tend to not wonder “What went right!?” We spend far more cognitive resources attempting
to figure out why a bad thing happened than we do trying to determine why something good
happened. In psychology, the search for these explanations
is called “Explanatory Attribution” and different people have different “explanatory
styles”. Some people are more prone to blame themselves,
while others search for an external event to blame. But one thing is clear: we are very
bad at not blaming anything. It’s not surprising that parents of children
with autism, especially parents who notice a sudden loss of previous development, will
search for a possible cause. And when the most significant recent event
in the health of the child was a vaccination, as can be said for many moments in the life
of a young American, we might identify that as a potential cause and deem that link worthy
of further examination. Now this, is completely logical. The problem
is that over a dozen peer-reviewed papers have found no correlation between autism and
the MMR vaccine, or any other vaccine for that matter. And yet, when you Google vaccines and autism,
a fair number of the results claim that there is a link between the two, and that that link
is being covered up either by the government or by big corporations. A parent, already experiencing frustration
with the medical community’s inability to tell them why this thing has happened to their
child, will, on the internet, find a vibrant community of similarly frustrated people who
share their values and experiences. These communities are full of anecdotes that
draw connections between vaccines and autism. And so, unsurprisingly, some people become
convinced that they have found the reason for their child’s disability. Once their mind has been made up, confirmation
bias sets in. Confirmation bias is simply our tendency to more readily, and with less
scrutiny, accept information, anecdotes, and worldviews that confirm our existing beliefs. And, again, it is a completely normal thing
that every person does. Indeed, trying to convince someone that a previously held belief
is incorrect has been proven to actually increase their affinity for that idea. And so a community is born, and the safety
of vaccines is called into question. And once the procedure for getting a vaccine goes from
the doctor telling you that it is now time for a vaccine — and 99% of parents agreeing
because that person went through medical school — to it being a question to ponder, vaccination
rates will go down. A 2011 study showed that parents who think
about vaccines before their child is born are eight times less likely to vaccinate their
children. Basically, when given an opportunity to research on their own, what they find is
confusing. And when confused, the default choice is to simply take no action. This is an example of yet another bias, called
omission bias. In effect, we judge harmful actions as less
moral than harmful inactions, or omissions. In fact, a frequently cited study found that,
when the choice to vaccinate is framed as an action, the average parent will only vaccinate
their child if not vaccinating is at least TWO TIMES more dangerous than vaccinating. This has to do with our perception of future
regret. Parents report that they’ll feel worse if they take an action and it harms
their child, than if they don’t act and the child is harmed by a failure to act. This perception of potential regret can be
so strong that even bringing up the choice of acting versus not acting seems to be counter-productive. A 2013 study found that attempts to convince
parents to vaccinate their children actually decreased the percentage who went on to choose
vaccination. If vaccination is presented as a personal
choice, instead of a necessity for good public health, then potentially harmful inaction
can seem more moral than potentially harmful action, and vaccination rates go down. Parents
are choosing to “let nature take its course.” And as you might expect, this effect is much
stronger in people with a measurable “naturalness bias.” This is just a tendency to perceive
things that come from nature as being inherently less threatening than things that we invent
ourselves. One way psychologists measure this bias is
by asking a subject if they’d prefer a substance extracted from an herb or one synthesized
in a lab, even if they’re chemically identical. And of course, others have biases against
big government or big corporations, and these ideas about vaccinations fit well with those
worldviews. Confirmation bias at work again. But even people who don’t hold those biases
end up being more likely not to vaccinate if they start doing research before their
baby is born. This is because of another failure of the
human brain. We are terrible at what psychologists call “Risk Perception.” Given the merest sliver of a possibility that
vaccines will cause developmental disorders, parents are now weighing a disease they have
seen, autism, against diseases they have never seen. Since the 1970s, measles has been pretty much
unheard of. Measles doesn’t scare people my age for the same reason a giant man-eating
squirrel doesn’t scare us…we’ve never seen it. Risk perception is basically a science all
on its own, and we have found that vague, future hazards, like the future probability
of an illness, are far less frightening than immediate, specific hazards, like the sudden
onset of autism. So, amazingly, the success of vaccines is
one of the reasons that people are less likely to vaccinate their children. So yes, it turns out humans are complicated,
and this is a complicated problem. Humans are inherently bad at understanding the effects
of self-selecting samples — like online anti-vaccine forums — and often completely unable to accept
that a negative outcome could really be the result of something that’s beyond their
control — and still not very well understood. This is not a “anti-vaxxer” problem; it’s
a human problem. Those of us who trust science or have built
an understanding of statistics and bias simply have had different lives than people who more
heavily weight anecdotes or the opinions of their friends, or strangers they meet online
who feel the same way. So next time you find yourself frustrated
about the decline in vaccinations in America, remember that it’s only because of the dramatic
success of vaccines that we could even think of having this debate, and that those anti-vaccine
activists are being driven by the exact same logic traps and cognitive biases that every
one of us suffers from. Only by understanding and accepting these psychological pitfalls
that we’re all so susceptible to will we be able to solve this problem. And that’s
what science is all about. Thanks for watching this episode of SciShow,
where we really do try to be objective. And we objectively believe that the universe is
amazing and fantastic. And if you want to join us in understanding it and all of the
stuff in it, including our brains, you can go to youtube.com/scishow and subscribe.

Comments 100

  • Why are there vaccine courts that have paid out millions for damages from vaccines?

  • The anti-vax movement is caused by one thing… the govt lies… WAY too much. Science lies.. WAY too much. Hence.. nobody believes what these people are saying anymore.

    So.. right or wrong… people simply no longer trust the government.. aka.. science…

  • The solution is simple… stop lying. And then people will accept all that "research" and "peer reviewed" studies and believe it.

    Oh.. and keep telling people that their common sense is some kind of brain dysfunction.. yeah, that will convince them that your injections are "just fine".

  • I feel like what he is saying should be shown to every people in this world

  • Paid scientist's.. I'm living proof of why vaccines are no use. 20yrs clean without it

  • I hear that one acualy gives autism but chance is smaller then 1% so

  • The science of anti vaccination

    N/A

  • This has grouped any vaccine debate into "autism-link" – ignoring problems with VAERS reporting, ZERO schedule-level trials, US has largest vaccination schedule in the world (every other 1st world country is just uneducated/poor judgement?). Vaccine risk-benefit doesn't need to explained by pop psychology, we can, and SHOULD run adequately powered, randomized, controlled trials like we would for other biologics and drugs.

  • I haven’t had a shot since I was two now I’m 17 and I am hardly sick if anything people who have the shots are sick more and take longer to recover when I’m sick I’m good I’m 24-36 hours 🤷‍♂️

  • Mom: is anti-vax

    Child life: igha might head out

  • Earth is getting over populated so we are better off with just letting them die.

  • Never get Ill: anti vaccine hat this trick.

  • This is more like “The Psychology of Anti Vaccination”

  • "The science of anti-vaccination"
    Well that's simple, there is no science involved in anti-vaccination

  • https://www.youtube.com/watch?v=TG76BM79UYQ

  • He left out the FACT that millions of dollars are paid out by the government for VACCINE INJURED children. No such thing as herd immunity. Every child is different therefore always a possibility of INJURY which includes AUTISM!!

  • People who believe the government and medical industry, and never witnessed anyone becoming instantly disabled after vaccination are nicely brainwashed tools for the hideous multi-billion dollar medical industry. They also disagree with this comment. Vaccination is like russian roulette, but the agenda behind it is far deeper.

  • was hoping there would be more science and less psychology

  • I’m so vaccinated I’m cool

  • Let nature take its course…
    Unless your child gets bacterial meningitis, or epiglottitis, then they run to pharmaceuticals begging to save their child's life🤔

  • You have so many biases.

  • Why Hank why

  • But I am the proud antivax father of 3 beautiful, naturally raised, essential oil loving children!!!

    Edit: make that two, please

    Edit: okay two of my kids died

    Edit: I now have no more children

    What happened? I have them their sage oils. Damn government poisoning my kids

  • With the same tone, diagrams and pointer I can explane how manipulative this viseo is 🙂

  • Little Boy, you are showing gross ignorance and have a lot to learn.

  • No, these people refuse to aknowledge history. It is like saying ww2 was a hoax.
    These peoples heads are up their asses.

  • 4.5k karens and chads

  • Why do 99% of the parents with autistic kids say, "Vaccines cause autism".
    Trust parents. Notice all these people without kids, are the ones who
    laugh at parents with autistic kids.  

    Youtube: paul8kangas

    99% of the parents with autistic kids agree that the vaccines caused the vaccines.

    That means that vaccines caused autism.

    A 2017 Yale study proves 90% of the homeless boys on the streets were vaccinated at birth. They became junkies from the introduction of needles at birth.

    Prof. Leckman did the 2017 study of junkies.

    Youtube: paul8kangas

  • Eugenics biased? 😂

  • Antivaxers please dislike this and comment

  • Its just natural selection at work to eliminate dumb people

  • The definition of scientist is one who gained knowledge through observation. the crazy increase in autism is just happening right? Yeah sure. Hmmm. Don't think for yourself parents . They hung people at Nuremberg for Forced medical procedures.
    But that's ancient history right?

  • https://healthimpactnews.com/2018/japan-leading-the-world-in-exposing-fraud-with-gardasil-hpv-vaccine-injuries-and-deaths/?fbclid=IwAR10W6gXkCiCX-QpMNojjKpah49pKpUJfh4YIR_KRVs7Yqzs1ezfE7Jrwj4
    NO one will believe that injecting aluminium and tiomersal that is Mercury stright into your blood system is healthy . Whatever words you will use it will not work there is to many examples when people not only died after vaccine but also they have had terrible health complications . Once you experience that on you own skin you will be convinced to start taking vitamins and minerals in order to boost your immune system . Thanks for you vaccines you make billions of dollars on . For me is a clear NO and it is my choice. Kennedy said the numbers are backed up by the stories from thousands of parents who talk about the seizures and autism symptoms their children developed after receiving vaccines.“What are the chances they all made up the same story,”??????? he told Healthline. Just click this video . Mothers do not lie !!! https://www.youtube.com/watch?v=qb7YEm4YCMs

  • Even if your child is unlucky and severely harmed by a vaccine – there's a good chance you'll get some money from the government to pay for their life-long care

    So why worry about vaccination?

  • https://www.youtube.com/watch?v=_K8-PJ0hUsw&feature=share&fbclid=IwAR3KvoYnNlFjaHPO9NcmLtrG_S_j7KyjvAM8zm2XEOurhFMW5hnDL2ZPHaE

  • so the whole argument against those who question vaccines is that one specific condition (autism) is not caused by vaccines, based purely on conjecture without any discussion of the actual science at all? please don't claim to be scientific with such a pathetic video. The science does not support you ramblings. In reality, any investigation into vaccine safety reveals that there are simply not any credible safety studies at all. But hey it's much easier to just characterize 'anti-vaxxers' as being influenced by many types of bias and anecdotes, rather than actually discussing the science on a science channel right? weak

  • As a high functioning autistic individual, it feels offensive sometimes when people view autism developing in their child as the end of the world. As far as I understand the data, the vast majority of people with the disorder are high enough functioning to learn to adapt to the outside world, it just generally takes some therapy to get there sometimes.

  • Your lying ! Im a proud mother of 5 unvaccined children !

    Edit : 4 Children

    Edit : 3 Children

    Edit : 2 Children

    Edit : 1 Children

    Edit : Here speaks her Husband…shes dead.

  • Vaccines don't always work and not everyone can take them so the only way to protect those people is heard immunity so everyone who can be vaccinated should be vaccinated as it does not affect only themshelfs so MAKE VACCINATION MANDATORY with health exceptions that are authorized by specific gov doctors.

  • Show us the science then! Not opinion facts!!!

  • After listening to many really good videos from this channel, I’m really disappointed with this one. Many very good parents observed very carefully the development of their child. Therefore they knew exactly that something really bad happened in most cases immediately after a vaccination. Dr. Wakefield never said, children should not be vaccinated, he said the MMS vaccination should be split up in single vaccinations to keep the injected toxins as low as possible. Japan did exactly that after observing increased brain damages to MMS vaccinated children. Sometimes it is better not to do a video instead of taking the side of careless industry with extreme margins.

  • Unicellular organisms still more intelligent that the antivax flat eatrher karen

  • As a Boomer; I had most of the diseases that children now are now vaccinated against. Now why would a parent subject their children to the misery that I and my peers went through .

  • Video: The science of anti-vaccination

    Me:

    Wait.. that exists?

  • Most of the commenters completely missed the point of the video. Instead of laughing at silly anti-vaxers, how about you try to notice the same universal biases in yourself and find in which situations you too act like an anti-vaxer? We’re all stupid sometimes, that’s why debiasing is important.

  • A classic straw man fallacy used to confuse an argument and put all antivaxers into one category

  • Unfortunately this video says zero about vaccines, other than Big Pharma's mantra, "they don't cause autism". Therefore they are totally safe, right? Gotta love how pro-vaxxers avoid going into what is actually in vaccines, and all the reported side effects. Autism is one (actually ambiguous) condition that is probably induced by many factors. Vaccines may or may not be one of them. But many other conditions/side effects are conveniently ignored here in favor of explaining our bias. And the pro-vaccine bias of course doesn't exist, right?

  • After the research I have done I can
    100% say vaccines are bad. Proof? My wife and I were told that if we didn't get a certain vaccination for our daughter she would bleed out before making it home. We knew it was a scare tactic and declined anyways. We have a 2 year old perfectly healthy daughter. The devil is in the details. Also it's quite hilarious that this guy never actually says what is in the vaccinations. Big pharma is 100% full of crap, only in it for the money, and like any business selling a product will say anything good about their product. FYI my wife and I was going to get our daughter vaccinated until we did our research. Found how many chemicals are actually in them. Aluminum? Aborted fetal cells? Propolene glycol aka antifreeze… No wonder we have so many kids now adults with so many brain disorders. The danger is real, I'm not telling you not to get vaccinated, I'm telling you to do your reaserch and see for yourself, if you want all that crap in your body or your children's body, more power to you. But I can say without a doubt that doctors and big pharma use fear as a means to an end.

  • Omg, that voice, so whiny – when soy and vaccines combine

  • Without Freedom Of Medical Choice,

    YOUR OX IS NEXT!>>>

    https://www.facebook.com/groups/restoreliability/permalink/879890522364580/

  • The 4.5 k people who disliked are a bunch of underground concrete bunker dwelling flat earthers and paranoid conspiracy theorists who are come up with disproven theories.

  • Aye! Finally someone explains in a logical way how people can choose to put their children, and other peoples' children, at risk.

  • I’m glad u said anti vax is a phycological pitfall, made my night lol

  • I have several research papers that link the vaccine to autism and other diseases. But this video is trying to explain how people think. Present science. There is conflicting research results in some cases and others come right out and say it cases others say there is a link.

  • Why would you use a presenter like this to try and convince people – use someone normal sounding

  • Natural herd immunity, and yes, vaccines are NOT all "safe 'n' effective."
    The "science" is on the side of the skeptics.
    Safer or lawsuit worthy.
    The insane fascist puritanical propaganda psy-war on parents of autistic children and pro-safety individuals is as dreadful as the anti-Human epithets they lob at us.
    "Anti-vaxxers!"
    No, you are the science deniers, establishment goons and brown shirts.

  • Unfortunately, Pro-vaxxers don't know what the hell their Talking about… idiots

  • When he was talking about the negative bias it made me think about the time my jeans had been dirty and I couldn’t wear them and I needed to do laundry the next day I went to get them so I could wash them and they where completely fine all clean and this was so confusing and most might think “oh maybe mum washed them” or “ great I can wear these today” but NOPE I was freaked out I wore them obviously but I also called my best friend and it was clear, we came to the conclusion of

    CLEANING ELVES HAD BROKEN INTO MY ROOM AND CLEANED MY JEANS
    *we come up with the weirdest explanations my friend and I *

  • 1200 studies: http://www.chiropractic.org/wp-content/uploads/2018/12/1200-studies-The-Truth-Will-Prevail-3.pdf

  • 4.5k idiots disliked the video because they couldn’t handle facts because they are brain dead and wish death upon others

  • Totally wrong matey I didn’t vaccinate after becoming informed by doctors and scientists that actually extensively explain the science and data because when you ask the doctor all he says is that he recommends that we go ahead and get it done … of course this is just not good enough evidence for me and anyone else that wants to protect their families… they admit they don’t know what causes autism so nothing can or should be ruled out until they do

  • Great informative video. I am writing a paper and was hoping to get a list of your sources so that I can do some more digging.

  • Just blame climate change and anti vax parents and not mass imagration from countries where measles is everywhere. Go tell Bill Gates (who donates to vaccinate kids in Africa) to vaccinate his kids and get back to me. Tell me why cancer rates rise up to 10000% when glyphacate is introduced into the water supply.

  • Vaccinations cause Autism period!! There’s waaaaay too much evidence to support vaccines cause autism to dismiss it

  • Funny that at 5:35 The Omission Bias well applied at 0:04 by yourself! 🤣😂😅😝😆 NOTE: I am not antivaxxer.

  • Gonna love seeing how this ages over the next 20 years. Pro tip. It's not gonna be well.

  • The year 2060…..hey kids yknow back in 2019, they used to stick a needle into babies with a load of questionable chemicals that were good for some and really bad for some… Yes kids such backward technology…yes witchdoctors… I hope the steeple have been warned.

  • What is an anti vaccime bang crying?

    A midlife crisis

    This comment is stolen :u

  • You're an idiot. Autism and a myriad of other childhood chronic diseases went off the scale from 1989 onward, right after vaccination schedules for children increased. Also, significant research linking Autism to MMR Vaccine in select groups of children was suppressed by the DOJ. Is your video paid for by Big Pharma? They have saved a lot of money since Vaccine damage payments for death and injury (millions every quarter) are now paid for by taxpayers, since they were let off the hook. The richest corporations in the world, let off the hook for their own damages. The richest corporations, who are now being sued for BILLIONS in both Canada and the US for KILLING TENS of THOUSANDS with their deceitful OPIOID propaganda. This is whose side you are on?

  • Not True all of you I use to be like you. If you really think the un vaccinated cause any disease then you need to know that you ARE part of the problem. Big Pharma has decided everyone who already had childhood vaccines are part of the problem. They said the herd immunity did not last as long as they thought and that you need to take all your childhood vaccines all over again. But instead of the 26 or 60 shots you received depending on how old you are. You now get to take over 80 or 90. So according to your own statements you are causing kids to get sick because your vaccines are NO LONGER effective. If you really want to know the truth here is a good place to start. The first Video is a Dr. who became a scientist and she provides names of links to look at both sides of these two opposing beliefs. https://www.youtube.com/watch?v=SFQQOv-Oi6U&list=PLp76Rnf65QGl9txDGPMdwvPiD5JUlJ0yN&index=36&t=86s This second video is a guy who is a bit goofy but his info is from the charts and studies that were done and published by them trying to prove them safe but he points out quite a few interesting factual details of their own published results. https://www.youtube.com/watch?v=S8ixbGlHTTI&list=PLp76Rnf65QGl9txDGPMdwvPiD5JUlJ0yN&index=34&t=0s Also it has come to the time where those who want to hide the truth have made search engines comply and hide factual material and I know where you can still find some of that.

  • Lol autism spectrum is huge….. The most common thing is that if you are on the spectrum you learn from pattern as where the vast majority of people learn through memory….. Anyone who understands this knows it is not even probable for vaccines to cause autism.

  • The world health organization needs to conduct a massive unbiased campaign to address every concern the AntiVaxers have. Trust is too low when you have an industry with a conflict of interests. Profit motives driven by venture capitalists can produce a market of unnecessary vaccines as a result. There are legitimate dangerous side effects the CDC dismisses too easily. Forcing people will just result in more mistrust. Unbiased Persuasion while acknowledging concerns and issues is the only solution. And by persuasion I don't mean mudslinging insults at people. That will do nothing but strengthen their defense.

  • THERES NOTHING WRONG WITH HAVING AUTISM WHO CARES,

    Edit:I'm probably not autistic but
    idk

  • This guys is the definition of Bias

  • Vaccines are made for your immune system to get weaker the vaccine will fight any virus or flu but you immune system wont make it weaker and weaker. At the enn of the day when you vaccine expired since your immune system hasn’t fight in a long time after the vaccine expired any attacks against your body will win making you go to the hospital and giving them your stp money be smart and never vaccine every sickness that your immune system fight without goin to the hospital the stronger it will get. . .!

  • Look at the fools here who have never heard the anti-vax side but actually think they're experts on the subject. I now know how Obama got elected… and then RE-ELECTED.

    If you really love injecting poison into your bloodstream, why not get DOUBLE DOSES?
    You know, just to be EXTRA SAFE!
    🙂

  • All I can say here is SHUT UP, can't stand anymore of this.

  • This is how I sound when I am trying not to be sarcastic! 😂😂😂

  • We don't know what causes autism, but what we know is that vaccine do not cause autism.

  • it's crazy how judgemental people are …. not anti-vaccine but I am about treating people as humans… how many of us commit sin and harm to others? but yet we feel like we feel the need to make ourselves feel better by attacking people's choices… i think pro vaxers would rather have bullies mashing on their kids every day then send their school with a non-vaccinated kid… I have spoken to non-vaccine parents and most of them dont even care about autism… it's the freedom of choice that's being taken away… also the ingredients of what's inside the vaccine… this autism topic is so old and not even used by proper anti vaxers…. if we are vaccinated people why should u have to worry? i also find it odd that people that support vaccines and pass these bills .. their children are not vaccinated…

  • When you sneeze on a class of antivax kids

    24 killstreak

  • But…. but… Autism! I dont need evidence bc BIG PHARMA!!! <- my best impression of an anti vaxxer what do yall think?

  • This video is hilarious. Hank really knows how to smugly insult educated people with a straight face. Love SciShow usually but if Hank can be so biased like he is about this topic, then how does his bias show up on other topics?

  • 4 years old and this is still the video I direct people to when they ask about the vaccine “controversy”.

  • There are so many useful idiots in this world.

  • Where is the 'science of anti-thaliomide' video, 'anti vioxx' one 'anti-stillnox'? Etc

  • What about the US closed Vaccine Court?

  • Maybe you should research what 'informed consent' is…

  • We simply no longer "trust" scientists or multi billion dollar pharmaceutical industries, because their biases outweigh our own.

  • There is a way to get around some vaccines for majority of population with flue vaccine.Have elderberry syrup,vitamin C,other herbs on stand by,probiotic yogurt!

  • The biggest real reason why people don't vaccinate is because they had been told it will hurt their kits back in the 90s a doctor that lost his license and then another country did a fake study involving only 23 children and 19 of them have the gene for autism which they receive when they're created and a total of 16 of them develop autism and he published that vaccines cause autism more than 50% of the time and ever since then it has been growing even though there has been real studies involving thousands of kids proving that to be wrong but people are stupid listen to what they want to hear instead of actually reading up on it this doctor says the shops will give my kids autism so no more shots open up the medical book there spend 20 more studies proving he's wrong oh wait it found that he lost his license for lying and then his study was not a legitimate study but that's how people are they go about what they're told

  • To hell with the pharmsters and their toxic vaccines. My desire is bro see them bankrupt and standing in the bread line.

  • Dr blaylock has looked at the research and. It shows a strong relationship between autism and vaccines 1 fact is
    Vaccines are only typically 30
    Percent effective there for herd protection is in achievable

  • I wish you would have been there when I was 22. My son has autism and my daughter has PDDNOS. My now ex-wife was very very very sure that my son got autism after getting one of his shots. She wouldn't believe that the booster shots we're doing more good than bad. And that's an understatement!

  • This video does not address anti-vaxxers.
    It is the Hook line & sinker approach that this douchebag promotes.
    Not once did he addressed the fact that vaccines are unsafe products created by untrustable companies.

  • Maybe SciShow could do an update on this one? The current AntiVax movement, as far as I can tell, has mostly ditched the idea that vaccines cause autism. They are more concerned with the substances in the vaccine, the question of which vaccines have what risk factor (autoimmune), and the concern that many vaccines are given in too close succession (as I understand it, the body needs time to recover from each).

  • One day, all anti-Vaxxers will be extinct

  • This video can be applicable to everything. Good analysis.

  • impossible to explain any better than this undercover pothead 😜

  • Eat more alkaline often!!!!! Eat and drink 75-80% alkaline and 20-25% acidic a daily and you will be fine! Alkaline defeated everything vaccinations! Alkaline won the battle against vaccinations and I am anti-vaccination activist!

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