[Coffee drinking and risk of type 2 diabetes mellitus. Optimistic scientific data]

An alarming increase the prevalence of type 2 diabetes is forcing to constant analysis the lifestyle factors which can affect the risk of this illness. The research in the last ten years revealed new knowledge concerning the inverse association between habitual coffee drinking and risk of type 2 diabetes. The study indicate that people who drink at least 3 cups of coffee per day more seldom have diabetes and positive effect of coffee is rising along with the amount of the coffee in the diet. It is not clear what mechanism may be responsible for such association but the attention is focus mainly on caffeine, polyphenols, magnesium. Because of the fact that high coffee consumption can cause other adverse health effects coffee should not be treat as a public health strategy to prevent type 2 diabetes, but collected data have scientific character at the moment.