Teens' sugary diets lead to insulin resistance as adults

High sugar intake in adolescence increases insulin resistance in adulthood, a team from Queens University Belfast has shown.

Researchers found a link between sugary food intake and insulin resistance in later life (Photograph: SPL)
Researchers found a link between sugary food intake and insulin resistance in later life (Photograph: SPL)

Researchers obtained dietary histories from 489 adolescents aged 12-15 who were then followed up at the age of 20-25.

The researchers found there was a linear relationship between sugar intake at age 12-15 and insulin resistance. For every 1% increase in dietary sugar, there was a 2% increase in insulin resistance as assessed by HOMA-IR score.

Higher sugar intakes in adolescence were also associated with greater fasting plasma glucose at age 20-25. For every 1% increase in dietary sugar, there was a 0.01mmol/l increase in fasting plasma glucose.

The findings were presented at the Diabetes UK Annual Professional Conference in Liverpool last week.

Editor's blog: Diabetes clinicians as diabetes patients

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