Participation in Sports May Mitigate Genetic Risk for ADHD in School-Aged Children

June 9, 2021 · Posted in Risk Factors 

At the 2021 meeting of the Society of Biological Psychiatry, researcher Keiko Kunitoki and colleagues reported that participation in sports decreased behavior abnormalities in 9- and 10-year-old children at genetic risk for attention deficit hyperactivity disorder (ADHD). Sports were associated with greater hippocampal volume, which was associated with fewer behavioral abnormalities. Kunitoki and colleagues concluded that “participation in team sports mitigated genomic risk for psychopathology at age 9–10 in part through increased hippocampal volume.”

Editor’s Note: These data are consistent with a program called the Vermont Family-Based Approach developed by researcher James Hudziak, who heads the Vermont Center for Children, Youth and Families at the University of Vermont. The program encourages families to practice different domains of wellness, such as music, mindfulness, exercise, and nutrition, among others. The idea is to support emotional and behavioral health, and to do so intensively in families where children show signs of mood and behavioral difficulties or are at risk for these difficulties.

Hudziak analyzed brain scans of 232 children aged 6 to 18 and reported that “practicing an instrument such as the piano or violin increased working memory, gray matter volume in the brain, and the ability to screen out irrelevant noise. Practicing mindfulness increased white matter volume and reduced anxiety and depression. Exercise also increased brain volume and neuropsychological abilities.”

In 2015, researcher Benjamin I. Goldstein reported that 20 minutes of vigorous exercise on a bike improved cognition and decreased hyperactivity in the medial prefrontal cortex in adolescents with and without bipolar disorder, and researcher Danella M. Hafeman reported that offspring of parents with bipolar disorder who exercised more had lower levels of anxiety.

To summarize, engaging in exercise, team sports, music, and meditation/mindfulness are beneficial for all children, and can be especially helpful for those at risk for depression or bipolar disorder. Children who are already symptomatic should additionally be offered something like family focused therapy (FFT), a multi-faceted approach developed by researcher David Miklowitz, in which families of young people at risk for bipolar disorder take part in therapy, learning together about the illness and practicing strategies for communication and coping.

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