Health Update: More Proof That Vaccines Don't Cause Autism

Concerns that vaccines may cause autism have been worrying parents since some research first introduced the theory in the late 1990s -- even amid mounting evidence that continues to prove otherwise. In light of more new studies disputing the autism-vaccines link, here are some relieving answers to your most pressing questions.
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Why do some people believe vaccines cause autism?

In the late 1990s, some researchers started raising concerns over the amount of thimerosal -- a mercury-containing preservative -- found in many children's vaccines. Although thimerosal had been used as an anti-contamination agent for decades, until 1991 the diphtheria-tetanus-pertussis (DTaP) vaccination was the only thimerosal-containing shot recommended for infants and children. The hypothesis: As more thimerosal-containing vaccines like hepatitis B and Hib were added to the recommended schedule, researchers worried that babies were receiving too much of the chemical in too short a timeframe, which could potentially impact brain development.

In a totally separate (but coincidental) issue around this time, another group of researchers lead by a British doctor named Andrew Wakefield theorized that children who received the measles-mumps-rubella (MMR) vaccine (which never did contain thimerosal) were more likely to develop autism than those who did not receive it. By January 2011, however, Dr. Wakefield's study was discredited by the British Medical Journal.

Today, scientists are more confident than ever that vaccines play no role in the onset of this developmental disorder. Find out why here.

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Comments
Comments (18)
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mrmewton wrote:

Thimerosal was never used in the MMR vaccine, and since the late 1990s has been removed from everything except a handful of influenza vaccines. Even so, there are several dozen articles disproving the hypothesis that thimerosal is linked to autism. Here is one: http://pediatrics.aappublications.org/cgi/content/full/126/4/656

5/25/2011 11:20:44 PM Report Abuse
mrmewton wrote:

To all of you who are concerned about doctors giving too many vaccines all at once or too young, please read this article: http://pediatrics.aappublications.org/cgi/content/abstract/125/6/1134 For those of you who STILL think there is a link between the MMR vaccine and autism, please read this: http://www.ncbi.nlm.nih.gov/pubmed/19952979

5/25/2011 10:59:51 PM Report Abuse
no1831438 wrote:

By not vaccinating your children you are putting other people at risk, and propagating the spread of dangerous and highly infectious diseases. Turn off Fox News and take your children to the doctor. I'm certainly glad these irrational fears weren't around when Small Pox was being vaccinated (and as a result completely eradicated from the planet). How would you like for this to be your child? http://i.imgur.com/Y16eZ.jpg

5/25/2011 05:31:25 PM Report Abuse
carolself_cpcemt wrote:

We selectively vaccinate. Our dr is a-ok w/our plan: no vaccines with Mercury, Thimerosal, etc & no new vaccines. When Autism was first linked there was a CDC article showing a link & CDC had settled a lawsuit related. Right after that they changed their position & whala no link no responsibility. Oh & my public school honors our vaccination program with no problem what so ever. Read, research, & make decisions for your child. I am the mother of 4 kids ages 4 to 18.

10/28/2010 10:49:53 AM Report Abuse
elem_paintbrush wrote:

not all shots are for all kids..........

10/28/2010 01:13:23 AM Report Abuse
bonjovifan05 wrote:

Dear msuljic8: I understand your concern about your daughter getting vaccinated everytime you go to the doctor. We had the same concern so that's why we waited until our daughter was at least 1 before we started giving her the really big ones because we wanted her to at least communicate with us if she was in pain or not. As a parent, you have the right to tell your doctor when YOU want your kid to get a shot. Hopefully they're understanding as our doctor was. All shots are mercury/lead free!

4/10/2010 12:34:45 PM Report Abuse
billie_bishop wrote:

The first thing they teach you in History classes from university is this : "check your sources; who says what, why and what for". Of course, when money is involved, in a way or another, check it twice. P.S. Not too long ago, doctors used to vaccinate all their village's children, except their own...

4/9/2010 09:16:15 PM Report Abuse
noirliliana wrote:

Children unfortunatly eat a very poor diet resulting in a high imbalance of bad bacteria in the gut. This causes 'leaky gut syndrom'. Studies have found children with this 'leaky gut syndrom' have a lowered immune system therefore may not beable to handle vaccinations which can then attack the nervous system/brain. Healthy children who eat well and have a very limited sugar(ANY sugar, fruit juice and honey is ok) and starch intake usually are healthy after shots. Research before vaccinating!

4/9/2010 08:11:40 PM Report Abuse
sherylt913 wrote:

You can't say that vaccines aren't connected to Autism when plenty of parents have children who had accomplished all of their milestones and their children were talking and fine and then after a vaccine their child completely changed and regressed. We're not dumb doctors. We know that vaccinations are a big money maker for you!

4/9/2010 05:27:28 PM Report Abuse
shauneymac wrote:

I don't know who wrote this article but, I don't believe they researched the subject enough. I personally know 2 little boys that got MMR combined vaccine and less than a day later and 105 temperatures were never the same. Once happy healthy thriving toddlers. Now These boys only say a few words and regressed in all motor skills as well. So try telling these moms that those vaccines did not bring on these changes in their toddlers.

4/9/2010 12:54:37 PM Report Abuse
msuljic8 wrote:

After reading all of these comments, i really dont know what to think anymore.My daughter is 1 year and she is being vaccinated almost every time we go to the doctor. I asked the doctor what she thinks about Vaccines being linked to autism. She told me not to worry about it, because she has 2 boys and they have gotten all of their shots and they are fine. I am really torn. Maybe i should stop the vaccinations, should i stop all of them or just some of them, i also don't want her to get a disease

4/9/2010 11:22:19 AM Report Abuse
lauren.schwartze wrote:

So everyone is aware, the "study" by Andrew Wakefield which started this rediculous rumor was retracted by the Lancet, the prominent medical journal which published it; the only article in the journal's history to be retracted. Further investigation by the UK General Medical Council's Fitness to Practice Panel concluded that the study provided false information and Dr. Wakefield acted with, "callous disregard" for his subjects and the facts. Why are we still debating this?...

4/9/2010 10:22:59 AM Report Abuse
lisawink wrote:

Studies are currently being done to find out if it's the human fetal DNA in some vaccines that is the environmental trigger for autism. Go to soundchoice.org and/or cogforlife.org - I'm certainly not letting my babies get any of the vaccines that have been derived from aborted fetuses. I had to inform my pediatrician about this - he didn't know.

2/1/2010 07:49:44 PM Report Abuse
nng10 wrote:

Wow, I was finally feeling at peace with vaccines after reading this article...until I read the comments above. Now I'm still torn. I just can't imagine not giving my children vaccinations that could save their lives, but then again I would be heartbroken if they were to have serious side effects from a vaccine that I didn't have to give them...ugh! so frustrating!

1/22/2010 04:12:23 PM Report Abuse
lizbyu wrote:

Vaccines may not be the ONLY cause of autism--I happen to think it is a combination of factors, vaccination being ONE of them that may lead to autism. Unfortunately, I did my reasearch AFTER my son developed autism. My baby girl will have no vaccinations until she is older, and then they will be spaced and never given in combinations.

10/28/2009 09:50:39 AM Report Abuse
lizbyu wrote:

Read EVERY vaccination insert. Thimerosal and other toxins ARE listed--including formaldehyde, ethylene glycol (antifreeze), etc. It is documented that autistic children tend to have difficulty purging toxins from their bodies. The researchers have also not studied the possible effects of combining several vaccines and giving so many at one time. Many are only 50-80% effective.

10/28/2009 09:50:31 AM Report Abuse
kmgriess wrote:

THERE IS NO PROOF! links like this make me very frustrated. do research!

10/8/2009 09:04:11 PM Report Abuse
kmgriess wrote:

thimerosal is still in most shots because the government only recommended taking it out as an ingrediant. do you happen to know the other ingrediants that are in every vaccination? you should definately not trust anyone with your baby before doing research yourself. i do not believe in vaccinations AT ALL! God made our bodies to fight disease itself and vaccination are not 100% effective! there are too many side effects of them. do your own research and you can find out more!!

10/8/2009 09:02:12 PM Report Abuse
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