Healthy Living

Monday, December 7, 2009

Should you vaccinate your kids?

The conspiracy theory that vaccines, specifically the mercury-based compound thimerosal used until recently in the MMR vaccine, might be linked to autism has been around for years. Yet scientific study of the issue has consistently proved that this is not true. When a lot of children are vaccinated and some children develop autism, there is bound to be some overlap, but that does not prove cause and effect. Some people who carve pumpkins on Halloween have heart attacks, but that does mean pumpkin carving is a cardiac risk factor.

But the vaccine/autism issue has been revisited recently because of one girl with a mitochondrial disorder in whom vaccination and autism may, indeed, be linked.

This association deserves investigation. Perhaps there are rare instances in which vaccines should not be administered, but this does not negate the many studies that have confirmed, over and over, no cause/effect relationship between vaccination and autism.

Is it possible that something can be safe for the population, but dangerous for the rare individual? Of course! Peanuts are a perfect example. For most of us, peanuts are a delicious treat. For those with anaphylactic peanut allergy, they are a lethal threat. This small threat doesn't mean peanuts are toxic or should be banned, just that some people should avoid them.

I believe the same will prove true of childhood vaccination. For most of our children, the benefit of vaccination is high and the risk next to nil. Experts will identify the small percentage of cases where there is in fact a link, just as we identify and try to protect children with peanut allergy.

The bottom line is, parents should not avoid childhood vaccines anymore than they should ban peanut butter, chocolate, or playing outside at recess.


Read More from Prevention

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From the Community…

Comments 1-3 of 3
  • sanity_is_irrelevant's Avatar
    Posted by sanity_is_irrelevant Sat Apr 19, 2008 7:53pm PDT

    I think that the rise in autism cases isn't because there are physically more, but because more and more is being discovered about the disorder and more children are being diagnosed with it as a result. Previously, a good number of kids now considered autistic would have been seen as simply mentally handicapped.

    Even with potential risks to vaccinations, people need to remember the risks that accompany skipping the vaccinations. You may have a small possibility of receiving a harmful chemical in a vaccine, but if you don't have the vaccine, you have a chance of getting a potentially harmful illness. It's a lose-lose situation, really.

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  • skept79's Avatar
    Posted by skept79 Mon Apr 28, 2008 5:32pm PDT

    This article is hardly evidence based medicine as Dr. Katz bio claims he supports. How can you possibly establish a causal relationship based on the anecdote of one girl?

    Dr. Katz is guessing at future outcomes saying "I believe ... Experts will identify the small percentage of cases where there is in fact a link." What evidence is there to support this hypothesis (and btw in the scientific method anecdotal evidence doesn't count)? You can't advise people based on your personal intuition. You have to go off the best evidence, and currently the best evidence says there is zero link between autism and vaccines. The problem with throwing out these sorts of unsupported ideas is that the public rarely hears the followup. The question of a link between autism and vaccines was a valid inquiry but study has shown the link isn't there, and yet the myth persists. It's irresponsible for Dr. Katz to make these sorts of statements without evidence because if he's wrong the damage will have already been done.

    Dr. Katz's ultimate conclusion is right (you should vaccinate your child) but for the wrong reasons. Oh and Dr. Katz forgot to mention that despite the lack of evidence for a link to autism, thimerosal is no longer used in children's vaccines so there really shouldn't be any concern over this.

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  • skept79's Avatar
    Posted by skept79 Mon May 5, 2008 7:02pm PDT

    I see you updated your first sentence to be clear that is was the thimerosal that was of concern and that it is no longer in use. Glad to see you took the constructive criticism.

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