After reflecting, made statement covering speculation on representative's ultimate condition (8)
I believe the answer is:
diabetes
'condition' is the definition.
(diabetes is a kind of condition)
I cannot understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for diabetes that I've seen before include "Effect of lack of insulin" , "Is debate about disease needing insulin?" , "Disorder linked to insulin" , "Disease of abnormally high blood glucose levels" , "Disease in which body does not absorb sugar or starch" .)