Purpose: Seafood is rich in other essential nutrients such as long-chain fatty acids, selenium and iodine that play an important role in neurodevelopment and cognitive function. The association between seafood intake in childhood and cognitive outcomes has not been well evidenced. Our aim was to investigate the association between seafood intake in children at age 7 years and cognitive and behavioural outcomes at age 7-9 years.
Methods: Data on seafood intakes were collected at age 7 years in children enrolled in the Avon Longitudinal Study of Parents and Children (ALSPAC). Adjusted logistic regression was use to model seafood intake with the odds of suboptimal behavioural scores (Strength and Difficulties Questionnaire (SDQ)) measured at age 7 and 9 years and cognitive scores (IQ) at age 8 years.
Results: Lower seafood intake at age 7 years (0 vs. ≥ 190 g/week) increased the adjusted odds of suboptimal prosocial behaviour measured by the SDQ at 7 years by 35% (OR 1.35 (95% CI 1.10, 1.81), p = 0.042) and at 9 years by 43% (OR 1.43 (95% CI 1.02, 1.99), p = 0.036). We found no evidence of any associations with IQ at 8 years.
Conclusion: In a population in which fish intakes were below national recommendations, our results illustrate the importance of seafood intake in children on behavioural variables, specifically prosocial behaviour. Further research on the association of seafood intake with a wider range of indicators of child neurodevelopment will provide stronger evidence of the role of seafood intake in cognitive development.
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http://dx.doi.org/10.1007/s00394-025-03636-7 | DOI Listing |
Aquac Nutr
March 2025
Nutrition and Seafood Laboratory (NuSea.Lab), School of Life and Environmental Sciences, Deakin University, Queenscliff, Victoria, Australia.
There is growing interest in the use of single cell proteins (SCPs) derived from methanotrophic bacteria for inclusion in aquafeed to reduce reliance on other, potentially less sustainable proteins. This two-part experiment aimed to investigate first (i) the dose effect of replacing soy protein concentrate with SCP in Australian hybrid abalone diets () and second, (ii) the potential for improved palatability of the SCP by using commercially produced liquid protein hydrolysate (PH). This was assessed in a 2 × 2 factorial experimental design.
View Article and Find Full Text PDFEur J Nutr
March 2025
Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, UK.
Purpose: Seafood is rich in other essential nutrients such as long-chain fatty acids, selenium and iodine that play an important role in neurodevelopment and cognitive function. The association between seafood intake in childhood and cognitive outcomes has not been well evidenced. Our aim was to investigate the association between seafood intake in children at age 7 years and cognitive and behavioural outcomes at age 7-9 years.
View Article and Find Full Text PDFJ Am Nutr Assoc
March 2025
Institute of Health and Nutrition, Nagoya University of Arts and Sciences, Aichi, Japan.
Background: As the global population ages, extending not only the life expectancy (LE) but also the healthy life expectancy (HALE) has become a critical public health objective. Dietary choices, especially the intake of various fatty acids, may play a role in achieving good health.
Objective: The aim of this study was to describe the intake of fatty acid (FA) fractions across different countries and explore its associations with HALE and LE from 2010 to 2019 according to publicly available international data.
J Fish Dis
March 2025
Skretting AS, Stavanger, Norway.
Salmonid alphavirus (SAV) is the causative agent of pancreas disease (PD), a disease that can cause severe implications for marine farming of Atlantic salmon. This study examines physiological changes in Atlantic salmon during SAV infection through a controlled trial and two field trials. In the controlled trial, plasma creatine kinase (CK), alanine aminotransferase (ALAT) and aspartate aminotransferase (ASAT) levels increased significantly 4 weeks post challenge, peaked at 8 weeks and by 12 weeks, ALAT levels returned to pre-challenge levels, while CK and ASAT remained elevated.
View Article and Find Full Text PDFBiol Trace Elem Res
March 2025
Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ, 21941-598, Brazil.
The marine environment is severely contaminated by anthropogenic activities. Among the pollutants are metals such as mercury (Hg), chromium (Cr), and zinc (Zn), elements commonly found in industrial effluents from steel mills. This study aims to quantify the concentrations of Hg, Cr, and Zn in seafood samples (crab and mussels) and conduct a consumption risk analysis, considering the seasonality and sexual dimorphism of the animals.
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