STUDIES:
345/
“Black male [offender]s were… less likely to have been diagnosed with ADHD, than White males, despite controlling for… behavioral indicators, and prior offending… Black males were approximately 60% as likely to receive psychiatric treatment."

Racial/Ethnic Disproportionality in Psychiatric Diagnoses and Treatment in a Sample of Serious Juvenile Offenders
Journal of Youth and Adolescence
Vol. 46 Issue 7, pp. 1424–1451,
2017
Comment on this study on its Twitter thread.