Too Much Dietary Flexibility May Hinder, Not Help: Could More Specific Targets for Daily Food Intake Distribution Promote Glycemic Management among Youth with Type 1 Diabetes?

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  • Cristello Sarteau, Angelica
    • Gillings School of Global Public Health, Department of Nutrition
  • Mayer-Davis, Elizabeth
    • Gillings School of Global Public Health, Department of Nutrition
Abstract
  • Average glycemic levels among youth with type 1 diabetes (T1D) have worsened in some parts of the world over the past decade despite simultaneous increased uptake of diabetes technology, thereby highlighting the persistent need to identify effective behavioral strategies to manage glycemia during this life stage. Nutrition is fundamental to T1D management. We reviewed the evidence base of eating strategies tested to date to improve glycemic levels among youth with T1D in order to identify promising directions for future research. No eating strategy tested among youth with T1D since the advent of flexible insulin regimens—including widely promoted carbohydrate counting and low glycemic index strategies—is robustly supported by the existing evidence base, which is characterized by few prospective studies, small study sample sizes, and lack of replication of results due to marked differences in study design or eating strategy tested. Further, focus on macronutrients or food groups without consideration of food intake distribution throughout the day or day-to-day consistency may partially underlie the lack of glycemic benefits observed in studies to date. Increased attention paid to these factors by future observational and experimental studies may facilitate identification of behavioral targets that increase glycemic predictability and management among youth with T1D.
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  • Article
Rights statement
  • In Copyright
License
  • Attribution 3.0 United States
Journal title
  • Nutrients
Journal volume
  • 14
Journal issue
  • 4
Page start
  • 824
Language
  • English
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  • Publisher
ISSN
  • 2072-6643

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