To make a diagnosis of diabetes is sufficient to find two times the fasting venous plasma glucose greater than 126Mg/100ml.
If the fasting glucose is above 110 you should perform oral glucose loading test and if the latter at the second hour is more than 200 stands diagnosis of impaired glucose tolerance if it is normal  you put the diagnosis of impaired fasting plasma glucose . Both of these situations require attention and further checks.
Unfortunately I heard at a recent conference that the limit of 110 will surely be brought to 100mg/100
Even cholesterol, whose upper limit was previously set at 250mg/100ml. It is now down to 220 mg/100ml and is surely destined to fall further. I have the impression that those who draw up these guidelines will not stop until there is even a single healthy person. Everyone should have at least one disease and everyone should feel guilty and afraid.
It ‘true that statistically those who have the lowest values live longer, but what we have defined normal values ​​are the values ​​of the majority of the people or are the values ​​that ensure a longer life?
If you starve a group of mice, you realize that they live longer than other groups who eat freely, but it is the nature of the mice eat so little?
And if we notice that eating two pieces of celery a day, man increases his life expectancy, which would define the “normal” diet, the diet of the majority of men or the diet of those who live longer. These are questions that we should start to ask for because for  the first time we definy the normality not with criteria based on statistics, but with criteria based on life expectancy, a different way from what has been done so far. It can be a good thing to change attitude to “normal” but I do not think we are  discussing  enough and I think that all shoud be aware.
The situation today reminds me of a funny comedy of the early years of the 900 written by Jules Romains entitled “Knock or the triumph of medicine.”
The plot is simple: The modern Dr. Knock detects a surgery, lost in the mountains, to the old Dr. Parpalaid, but finds, with regret, that in Saint Maurice, most of the people is in excellent health. But once understood, that all depends on the methods of the old obsolete Dr. Parpalaid and slowly, can bring about the triumph of modern science, to convince all the villagers to be sick. The health does not exist, is an abstraction, a thin imaginary line produced by ignorance and wrong practice of medicine. Knock reaches its triumphal when he finally manages to convince the older colleague Parpalaid to wear, he finally, the clothes of the sick.
Another nice story about the same topic is “alien” by the Brazilian writer Machado de Assis. In this story the protagonist, the psychiatrist Bacamarte Simao managed to convince all the villagers to be insane and lock them all in a mental hospital.
As you can see, many writers in the past have had these same feelings.
Looking at things from the bottom, I feel that now there is a little ‘exageration.I see old men that every morning they lined up to get tough, visits and medical services of all kinds, and often I read so much fear in their eyes . It turns out that for fear of dying, they die for fear, and I wonder if they are happy with this life of health commitments. Not that they have other wonderful choices, but this risks turning into a job. Or rather a nightmare. Is this the old age and the life we ​​want for our seniors and ourselves? Next to people who do not ask anything, there are others, sick professionals, who know perfectly juggle with medical bureocracy and spend their entire day to take care and health interventions. They are all in good faith and think they should care more and ask for more. After a while ‘, it becomes their profession, what they do best. Who asks receives anything, those who, perhaps out of shame or lack of knowledge, do not ask, do not get anything. There are individuals who require so much energy and many resources are spent as many as in Africa to help an entire village. And they are happier?
Be necessary at times to have the courage to stop this race to health services and put an end to the vicious cycle of fear. Fear does not help anyone, it does only evil and suffering.