Related Experiment Video

Updated: Apr 8, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
19:15

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Published on: August 25, 2014

88.5K

Perinatal dioxin exposure and psychosocial and behavioral development in school-aged children

Yumi Kono1, Akira Oka2, Hiroshi Tada3

  • 1Department of Pediatrics, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke-shi, Tochigi 329-0498, Japan.

Early Human Development
|June 30, 2015
PubMed

Insights

This study found no link between dioxin exposure from breastfeeding and behavioral issues in children. These findings support the recommendation of breastfeeding for infant health.

Area of Science:

  • Environmental Health
  • Pediatrics
  • Toxicology

Background:

  • Perinatal exposure to environmental contaminants like dioxins is a public health concern.
  • Breastfeeding is crucial for infant development, but potential risks from contaminant transfer require investigation.

Purpose of the Study:

  • To examine the association between dioxin levels in breast milk and children's behavioral and psychosocial problems.
  • To determine if estimated dioxin exposure (EDE) through breastfeeding correlates with behavioral outcomes in Japanese children.

Main Methods:

  • Dioxin levels in breast milk and breastfeeding duration were used to calculate EDE for infants born 1998-2005.
  • Mothers of 175 children completed the Japanese Social Difficulties Questionnaire (SDQ) when children were 6-13 years old.
  • Statistical analyses, including linear multiple regression, adjusted for potential confounding factors.

Main Results:

  • No significant correlation was found between breast milk dioxin levels and the total difficulties score (TDS) on the SDQ for either boys or girls.
  • Estimated dioxin exposure (EDE) did not correlate with the TDS in either sex.
  • Mean dioxin levels and EDEs were reported for boys and girls.

Conclusions:

  • The study found no evidence of a link between perinatal dioxin exposure and behavioral or psychosocial problems in children.
  • These results reinforce the established benefits of breastfeeding for infant well-being.
  • Further research may explore other environmental factors or developmental outcomes.
Abstract

Keywords:
BehaviorBreastfeedingDioxinStrengths and Difficulties Questionnaire

More Related Videos

Preclinical Model of Prenatal Delta-9-Tetrahydrocannabinol Exposure to Assess Its Impact on Neurodevelopmental Outcomes05:13

Preclinical Model of Prenatal Delta-9-Tetrahydrocannabinol Exposure to Assess Its Impact on Neurodevelopmental Outcomes

Published on: February 28, 2025

819
Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants07:08

Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants

Published on: March 6, 2018

6.8K

Related Concept Videos

Environmental Influences on Intelligence01:29

Environmental Influences on Intelligence

Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children...
1.1K
Oppositional Defiant Disorder01:30

Oppositional Defiant Disorder

A persistent pattern of angry or irritable mood, defiant behavior, or vindictiveness characterizes Oppositional Defiant Disorder (ODD). Symptoms must occur over at least six months, involve interactions with individuals beyond siblings, and meet specific diagnostic criteria to be clinically significant. The disorder affects emotional regulation, social interactions, and behavior, often manifesting early in life and influencing long-term development and functioning.
Diagnostic Criteria and...
1.4K
Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
1.4K
Conduct Disorder01:28

Conduct Disorder

Conduct disorder is a complex mental health diagnosis characterized by a repetitive and persistent pattern of behavior that violates societal norms, the rights of others, or age-appropriate rules. The diagnostic criteria for conduct disorder require the presence of at least three problematic behaviors within the past 12 months, with at least one occurring in the past six months. These behaviors are grouped into four categories: aggression toward people and animals; destruction of property;...
893
Socioemotional Development during Infancy01:30

Socioemotional Development during Infancy

Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
Primary Temperament Types
1.3K