Hypothesis: Hepatic DNL in response to the ingestion of fructose:glucose 1:1 is significantly greater in adolescents with obesity and prediabetes compared to adolescents with obesity who are metabolically healthy.
Thirty obese adolescents, ages 12-21 years, will be recruited to each of two groups:
Fructose is a monosaccharide present naturally in foods as fruit, vegetables and honey. In fruit, vegetables and table sugar it is also present as a disaccharide (sucrose), where it is joined with glucose. The intake of fructose has increased dramatically in the last decades. The increase is