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Intake of dietary carbohydrates in early adulthood and adolescence and breast density among young women
Journal article   Peer reviewed

Intake of dietary carbohydrates in early adulthood and adolescence and breast density among young women

Seungyoun Jung, Olga Goloubeva, Nola Hylton, Catherine Klifa, Erin LeBlanc, John Shepherd, Linda Snetselaar, Linda Van Horn and Joanne F Dorgan
Cancer causes & control, Vol.29(7), pp.631-642
07/2018
DOI: 10.1007/s10552-018-1040-1
PMCID: PMC7365352
PMID: 29802491

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Abstract

Carbohydrate intake increases postprandial insulin secretion and may affect breast density, a strong risk factor for breast cancer, early in life. We examined associations of adolescent and early adulthood intakes of total carbohydrates, glycemic index/load, fiber, and simple sugars with breast density among 182 young women. Diet was assessed using three 24-h recalls at each of five Dietary Intervention Study in Children (DISC) clinic visits when participants were age 10-19 years and at the DISC06 Follow-Up Study clinic visit when participants were age 25-29 years. Associations between energy-adjusted carbohydrates and MRI-measured percent dense breast volume (%DBV) and absolute dense breast volume (ADBV) at 25-29 years were quantified using multivariable-adjusted mixed-effects linear models. Adolescent sucrose intakes and premenarcheal total carbohydrates intakes were modestly associated with higher %DBV (mean %DBV , 16.6 vs 23.5% for sucrose; and 17.2 vs 22.3% for premenarcheal total carbohydrates, all P  ≤ 0.02), but not with ADBV. However, adolescent intakes of fiber and fructose were not associated with %DBV and ADBV. Early adulthood intakes of total carbohydrates, glycemic index/load, fiber, and simple sugars were not associated with %DBV and ADBV. Insulinemic carbohydrate diet during puberty may be associated with adulthood breast density, but our findings need replication in larger studies. Clinical Trials Registration ClinicalTrials.gov Identifier, NCT00458588 April 9, 2007; NCT00000459 October 27, 1999.
Dietary Carbohydrates - administration & dosage Follow-Up Studies Glycemic Index Humans Risk Factors Breast Neoplasms - etiology Magnetic Resonance Imaging Diet Adolescent Adult Dietary Fiber Female Glycemic Load Breast Density - physiology Child

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