By Pat Hagan for the Daily Mail  Published: 18:35 EST, 25 July 2016 | Updated: 21:48 EST, 25 July 2016

About ten years ago I noticed a gradual increase in the amount of liquid I was drinking.

Over several months I went from having a couple of teas or coffees a day and the occasional soft drink, to between eight and ten cans daily with lots of water and hot drinks.

I would often fill a bottle with a litre of squash and down it in one go and still be thirsty a few minutes later.

I had no other symptoms but knew raging thirst was a sign of diabetes, so I went to see my GP, who referred me for a blood sugar (glucose) test at nearby Whipps Cross Hospital. …read more here