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PET scan for brain actitivy - general

Posted by calee

I was curious to know what activities or meals even cold medicines might cause false readings in a PET scan for brain activity AND which activities would cause false positives or false negatives.  All the information I have found on line has been very broad and generic in nature.  For example, I know sugar is not to be consumed prior to a PET, does that cause false positives or negatives?  etc.
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