Robert M. Gary wrote:



That's why I never eat or drink anything other than water before the
test. After a meal your blood suger will read higher. It would really
be crappy to fail that little test and spend 6 months trying to prove
to the FAA that you are not diabetic.


I've had this discussion with my AME. Eat a cup of pure cane sugar a
few hours before the test and it wouldn't matter.