Guest guest Posted January 9, 2009 Report Share Posted January 9, 2009 Great article... this is what my family always talks about. There is more to this autism thing. -saadya > > Quote from the article below: > > " Autism can't be diagnosed unless you're looking for it " > > Why? Because it's becoming the norm? > > Here is the whole article: > > Autism Cases on the Rise > Study Shows Increase Is Real, Not Just Due to Changes in Diagnosis > Criteria > > By J. DeNoon > WebMD Health News > Reviewed by Louise Chang, MD > > Jan. 8, 2009 -- Environmental factors may be partly behind > California's eightfold rise in new cases, a new study implies. > > Many researchers have believed that the continuous increase in autism > cases over the last decade -- particularly the huge increase seen in > California -- isn't real, but can be explained by " artifacts. " > > Among these artifacts are the recent broadening of the diagnostic > criteria for autism and greatly increased diagnosis of autism at > younger ages. Both these factors could make it seem like there are > more autism cases than there were before. > > These artifacts do explain part of the rise in autism cases, shows a > rigorous study by Irva Hertz-Picciotto, PhD, MPH, chief of the > division of environmental and occupational health at the University > of California, . > > But even taken together, they don't explain even half of the huge > increase in cases. > > " When you put it all together, this doesn't come close to explaining > the increases in the last 10 years, " Hertz-Picciotto tells > WebMD. " The more you whittle away at this increase, the more you have > to say that what is left over is real. ... Given that autism cases > keep going up, and can't be fully explained by artifacts, > environmental factors deserve serious consideration. " > > Hertz-Picciotto notes that her study does not account for one > potentially huge artifact: The fact that today's parents are vastly > more aware of autism than they were a decade ago. > > Autism can't be diagnosed unless you're looking for it -- so parent > awareness has a huge potential effect on the rise of autism, says > W. Goldstein, president and CEO of the Kennedy Krieger Institute > and professor of environmental health sciences at s Hopkins > University. > > " There is an enormous increase in awareness. Everybody knows about > autism now, and they didn't 16 years ago, " Goldstein tells WebMD. > > " The awareness thing is very hard to quantify, " Hertz-Picciotto > says. " But at some point, as more and more parents became aware of > autism, the increase should have leveled off. Instead we see a > continued increase in autism. " > > Hertz-Picciotto notes that the lion's share of autism funding is > going to genetic studies. She argues that it's high time more effort > was put into looking for environmental factors that cause autism in > genetically susceptible individuals. > > " Time is passing and science has a lot to do to find the real causes > of autism, " she says. " A lot has changed in the environment over the > last 10 to 15 years. And I paint with a broad brush when I say > environment: These changes include things like medications people > take and assisted reproduction technology as well as what is in soaps > and pet shampoos and toothpaste and so forth. " > > Autism expert L. Cuccaro, PhD, associate professor of human > genetics at the University of Miami, praises Hertz-Picciotto's > systematic study of the rise in autism cases. He agrees with her that > it's time to consider environmental factors as part of the cause of > autism. > > continued... > " I don't think it is premature to look for environmental risks, " > Cuccaro tells WebMD. " There are environmental risk factors that give > rise to a wide range of developmental conditions, and there's no > reason to think autism isn't one of them. And papers like this are > critical to get to this point. Because you have to convince people it > is not explained by all these other factors. " > > Environmental studies are already under way -- and research > organizations are eager to fund them, Goldstein says. But the > difficulty goes far beyond funding. > > " We only have 20,000 to 25,000 genes. But we have a hundred thousand > environmental exposures. How do you control for that? " he says. " And > your genes stay the same, while environmental exposures may have come > and gone. It is difficult to do these studies -- the problem is not > that it isn't thought to be important. " > Quote Link to comment Share on other sites More sharing options...
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