More than 640 White children residing in the United States were examined.
Researchers turned to a small organic molecule known as D4.
More than 11,000 children between the ages of 9 and 10 were recruited across the U.S.
Researchers studied data from the Behavioral Risk Factor Surveillance System database.
The focus of the study was a protein commonly found in the brain known as FKBP5.
The survey was conducted by the Pew Research Center throughout October 2022.