RESUMEN
Diabetes mellitus is a chronic metabolic disease which affects more and more people. It is estimated that in Poland it affects about 2.6 million people, of which diagnosed and treated diabetes constitute only 60% cases. The increased incidences of diabetes and prediabetes, indicate the need for undertake prevention activities and forces for continuous analysis of lifestyle factors that may influence the risk of developing the disease. In the thesis it was described in detail the relationship between liquids intake such as coffee, tea, pure water and sugar-sweetened beverages and risk of the occurrence of type 2 diabetes. Much research proved that coffee reduces the risk of developing diabetes. An inverse relationship has been demonstrated in the case of consumption of sugar-sweetened beverages. In relation to tea and pure water due to the limited amount of data, there is a need to further research conducting, however, there are some evidence that people who consumed less than 0.5 liters of water a day should be covered by preventive treatment against diabetes.