In article >,
> wrote:
>On Sat, 09 Aug 2003 11:35:59 GMT, Siobhan Perricone
> wrote:
>>I don't know all the medical details, but when you're hungry and your tummy
>>is empty, your liver releases sugars into your blood stream. That's on of
>>the potential causes of the "dawn phenonmenon" (where you have higher BG
>>readings in the morning when you wake up because you haven't eaten anything
>>at all for 8 or so hours).

>Is that why MD's use a fasting bg level done in the AM to determine
>if/when a person is diabetic?

This is why a fasting bg test is not always valid. The
dawn phenomenon is present in non-diabetics as well.

It is not that uncommon for my bg to rise by 30 points
or more between 4 AM and 7 AM. Which is the fasting
reading? The testing facilities here open at 7.


--
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are those of the Statistics Department or of Purdue University.
Herman Rubin, Department of Statistics, Purdue University
Phone: (765)494-6054 FAX: (765)494-0558