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- Title
The association between duration of breastfeeding and the trajectory of brain development from childhood to young adulthood: an 8-year longitudinal study.
- Authors
Grevet, Laura Tietzmann; Teixeira, Danielle Soares; Pan, Pedro Mario; Jackowski, Andrea Parolin; Zugman, André; Miguel, Euripedes Constantino; Rohde, Luis Augusto; Salum, Giovanni Abrahão
- Abstract
Breastfeeding has been associated with several short- and long-term health benefits, including positive cognitive and behavioral outcomes. However, the impact of breastfeeding on structural brain development over time remains unclear. We aimed to assess the association between breastfeeding duration in childhood and the developmental trajectory of overall cortical thickness, cortical area, and total intracranial volume during the transition from childhood to early adulthood. Participants included 670 children and adolescents with 1326 MRI scans acquired over 8 years from the Brazilian High-Risk Cohort for Mental Conditions (BHRCS). Breastfeeding was assessed using a questionnaire answered by the parents. Brain measures were estimated using MRI T1-weighted images at three time points, with 3-year intervals. Data were evaluated using generalized additive models adjusted for multiple confounders. We found that a longer breastfeeding duration was directly associated with higher global cortical thickness in the left (edf = 1.0, F = 6.07, p = 0.01) and right (edf = 1.0, F = 4.70, p = 0.03) hemispheres. For the total intracranial volume, we found an interaction between duration of breastfeeding and developmental stage (edf = 1.0, F = 6.81, p = 0.009). No association was found between breastfeeding duration and brain area. Our study suggests that the duration of breastfeeding impacts overall cortical thickness and the development of total brain volume, but not area. This study adds to the evidence on the potential impact of breastfeeding on brain development and provides relevant insights into the mechanisms by which breastfeeding might confer cognitive and mental health benefits.
- Subjects
BRAZIL; BREASTFEEDING; RISK assessment; RESEARCH funding; MENTAL health; NEURAL development; QUESTIONNAIRES; MAGNETIC resonance imaging; LONGITUDINAL method; BRAIN cortical thickness; TIME
- Publication
European Child & Adolescent Psychiatry, 2024, Vol 33, Issue 6, p1863
- ISSN
1018-8827
- Publication type
Article
- DOI
10.1007/s00787-023-02283-9