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Type 2 diabetes is the most common type of diabetes, caused by a combination of inadequate production of insulin and an inability of the body to respond fully to insulin (insulin resistance). It is mostly seen in adults, but is increasingly being diagnosed in children and adolescents. Being overweight is a main cause of type 2 diabetes, which is also influenced by lifestyle factors such as poor diet, lack of physical activity, and excessive alcohol consumption20.

In 2015 the International Diabetes Federation estimated that 415 million adults around the world were living with diabetes (types 1 and 2 collectively), and predicted this to increase to 642 million by 204021. In Europe, about 60 million people have diabetes, or about 10.3% of men and 9.6% of women aged 25 years and over21. According to the WHO, it is estimated that this figure will reach 71 million by 204022.

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