Firstly, thanks to everyone who has replied with support, I am keeping my outlook high and hoping for the best.

Next is a certain amount of blood sugar is essential and too little is as bad as too high. However I don't take in that much and limit the intake, what was once two sugars in a coffee or tea is now only a half, sweet cakes and biscuits (Cookies) are only in small amounts and not the two or three a day it used to be, result is a healthy level of blood sugar as found by the doctors doing tests for everything else while checking out my cancer.
Generally speaking until recently my health was fine, lots of hard work till I retired saw to the exercise part of life.

It is like the old joke, the health fanatics are going to feel stupid lying in bed dying of nothing.