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A few interesting studies...

This and last week have been bumper weeks for interesting studies related to autism and ADHD.

First, the Lancet published the results of a controlled trial on the use of a few-foods rotation diet on the symptoms of Attention-Deficit Hyperactivity Disorder (ADHD). The link to the abstract for the study by Pelsser and colleagues is shown below:

http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(10)62227-1/abstract

A break down of the study and the main findings can be viewed here:

http://evolutionarypsychiatry.blogspot.com/

In short, a very well conducted and controlled study that showed that diet can affect some cases of ADHD. As to how and why it works is more of a mystery.

Second, a review study has been published looking at the connection between gastrointestinal disorders and autism spectrum conditons. The link to the abstract for the article by Chen and colleagues is shown below:

http://www.ncbi.nlm.nih.gov/pubmed/21297509

The results: the studies so far have a number of methodological issues which limit the significance of the findings reported. However, the finding of lymphonodular hyperplasia is consistent across the studies undertaken so far.

What this translates as is something like: we need much more carefully controlled studies looking at GI disorders in cases of autism to ascertain what effect (if any) there is but the studies so far conducted consistently highlight one specific type of GI disorder to be present in the cases included for study. 

 

Best wishes,

 

ESPA Research