Association between lung function and cognition among children in a prospective birth cohort study
Shakira Franco Suglia1, Robert O Wright, Joel Schwartz
1Department of Environmental Health, Harvard School of Public Health, Landmark 415W, 401 Park Drive, Boston, MA 02215, USA. sfranco@hsph.harvard.edu.
Psychosomatic Medicine
|April 2, 2008
Summary
Better lung function in children is linked to improved cognitive development. This study highlights a connection between respiratory health and cognitive skills in early life.
Area of Science:
- Pediatric Health
- Neuroscience
- Respiratory Medicine
Background:
- Studies show a link between lung function and cognition in adults.
- This relationship has not been extensively studied in children.
- The Maternal-Infant Smoking Study provides a unique cohort for investigation.
Purpose of the Study:
- To investigate the association between lung function and cognitive abilities in children.
- To explore potential shared developmental pathways between respiratory and cognitive health.
Main Methods:
- Lung function tests (FEV1, FVC) were administered to 165 children at age 6.
- Cognitive assessments (WRAML, K-BIT) were conducted at age 9.
- Linear regression analysis was used to determine relationships, controlling for factors like tobacco exposure.
Main Results:
- A 1% increase in expected forced expiratory volume in 1 second (FEV1) correlated with higher scores on K-BIT and WRAML subscales.
- Increased forced vital capacity (FVC) was associated with improved K-BIT composite/matrices and WRAML visual/learning subscales.
- These associations remained significant after adjusting for key environmental factors.
Conclusions:
- Enhanced lung function in childhood is associated with better cognitive development.
- Shared regulatory processes or vulnerabilities may link lung and cognitive function.
- Environmental factors during development could impact both systems.
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