Use the concern as a driver to keep to a healthy lifestyle, diet, exercise, stress, modertate alcohol consumption and by not smoking.
Keeping good levels and control is critical, but excercie and ensuring your heart works well, circulation is good and you're aware of any changes and get them checked out as soon as possible.
Attend all your clinic and screening appointments, something caught in the early stages is often able to be nipped in the bud and cleared up or managed quicly there leaving a condition for years before doing something about it, you might not be so lucky.
There is no reason why with good control and all round fitness a diabetic can't have a perfectly normal and healthy life - I think in many ways, more so than those who aren't diabetic - they don't get screened once or twice a year as we do.
If there is something you think should be done, that isn't being done, ASK. The NHS is great at not always delivering what is can or should deliver. An appointment may have been lost in the post, your name might not be on the list, you won't be on the list if you don't remind them.
Finally, keep your eyes open for busses - no point working hard on you diabetes to get ploughed down by the number 42
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Oh, and enjoy life - laugh as often as you can, at yourself or at others, better with others, easy for me, I just need to look in a mirror