Researchers from Cardiff University have found that the number of younger people being diagnosed with type 2 diabetes has risen sharply over the past 20 years.
The research, published in the Diabetes, Obesity and Metabolism journal, looked at data showing the number of newly diagnosed cases of type 2 diabetes between 1991 and 2010.
The Cardiff team found a significant increase in the overall number of new cases and a marked increase among younger people aged 40 and under.
The research also found that more women under the age of 40 had type 2 diabetes than men in the same age group.
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It will become drier in the early hours setting us up for a fine start to Wednesday
Showers in the north will spread southeastwards overnight. Temperatures will be higher so not as chilly as list night.
Chilly start to Tuesday, turning into a largely fine and dry day.