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Timme-Laragy Offers Expertise to National Academies Committee on Role of Seafood Consumption in Child Growth and Development

Timme-Laragy served as a consultant for the National Academies Committee.

May 28, 2024 Research

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Alicia Timme-Laragy
Alicia Timme-Laragy

The National Academies Committee on The Role of Seafood in Child Growth and Development has completed its study examining the state of scientific evidence in nutrition and toxicology of associations between seafood intake and child growth and relevant aspects of development. The committee provided an overview of their conclusions and recommendations in its pre-publication report in a public webinar this spring; the U.S. Food and Drug Administration (FDA) and other co-sponsors are currently reviewing the report’s findings with the goal of a final release in May 2024.

Alicia Timme-Laragy, a professor of environmental health sciences whose research expertise focuses on developmental toxicology and environmental pollutants, served as a consultant for the committee. In October 2022, the FDA, in partnership with other federal agencies, tasked the National Academies of Sciences, Engineering, and Medicine (NASEM) with convening an expert committee to examine associations between seafood intake for children, adolescents, and pregnant and lactating women and child growth and development.

“My role was to (1) serve as a technical expert to advise NASEM staff on the design, structure, and implementation of a systematic review to support the study; and (2) serve as an advisor to the committee regarding the structure and conduct of the systematic review,” says Timme-Laragy. “Primarily these efforts focused on the toxicology and pollutant exposure side of the report. I learned a lot about how research can contribute to science-based policy assessments and recommendations, as well as how scientists from different disciplines can work together towards a common goal.”

In a press release first announcing the study, the FDA noted that the report would support the goals of the FDA’s Closer to Zero Action Plan for reducing the exposure of babies and young children to mercury, arsenic, lead, and cadmium from foods. Seafood is part of a healthy eating pattern and provides key nutrients during pregnancy, breastfeeding, and/or early childhood to support a child’s brain, spinal cord, and immune system development. At the same time, seafood is the primary dietary source of mercury, which is spread throughout the environment by both natural and human-made processes. Mercury can damage the nervous system, and babies and young children are more vulnerable to its harmful health effects. Seafood can also be a source of persistent organic pollutants including per-and polyfluoroalkyl substances (PFAS), dioxins, olychlorinated biphenyls (PCBs), and microbiological hazards which may also be detrimental to the growth and development of children.

In its 2024 report, the committee identified a range of health outcomes associated with seafood consumption by pregnant and lactating women, including:

  • Meeting seafood consumption recommendations by pregnant and lactating women may provide health benefits for their children, including improved cognitive, behavioral, and language development.
  • Higher seafood consumption by pregnant and lactating women was found to reduce the risk of some negative health outcomes in children, including hyperactivity and the development of autism spectrum disorder or attention deficit disorder.
  • However, in total, the evidence was not strong enough to establish an association between seafood consumption by children and health outcomes broadly.

In examining potential risks of seafood consumption, the committee reported that concentrations of contaminants in seafood vary widely according to the species, geographic region, size, and age of the animal, and according to whether the seafood is wild-caught or farm-raised (cultivated). Native and Indigenous Peoples and subsistence or sport fishers may be at greater risk of exposure to pollutants and to the resulting negative health outcomes due to the higher amount of seafood they consume or the specific locations where they fish.

Learn more here.

Article posted in Research for Faculty , Staff , Prospective students , and Current students

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