How mercury and selenium affect brain development and mental health

Assessment of the joint influence of methylmercury and selenium upon postnatal brain development and risk for psychiatric disorders

NIH-funded research University of Hawaii at Manoa · NIH-11032032

This study looks at how being exposed to small amounts of mercury and having different levels of selenium might affect brain development in teenagers and could increase the risk of mental health problems later on.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Hawaii at Manoa NIH-funded
Lab location1 site (Honolulu, United States)
Project IDNIH-11032032 on NIH RePORTER

What this research studies

This research investigates the impact of mercury exposure and selenium levels on brain development during adolescence and the potential risk for psychiatric disorders. It focuses on understanding how low-dose mercury exposure affects specific neural circuits and cell types, particularly those involved in balancing excitatory and inhibitory signals in the brain. By examining the interactions between these two elements, the study aims to uncover the underlying mechanisms that may lead to mental health issues later in life.

Who could benefit from this research

Good fit: Ideal candidates for this research are adolescents and young adults who may have been exposed to mercury or have varying dietary selenium intake.

Not a fit: Patients who have not been exposed to mercury or do not fall within the adolescent to young adult age range may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved understanding and prevention strategies for psychiatric disorders linked to environmental exposures in adolescents.

How similar studies have performed: Previous research has indicated that environmental toxins like mercury can significantly impact brain development, suggesting that this study's approach is grounded in established findings.

Where this research is happening

Honolulu, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.