Latino children are diagnosed with Attention Deficit Hyperactivity Disorder (ADHD) about half as often than white or African American children, data analysis by federal researchers has found.  From The Boston Globe:

The reason for the discrepancy is a subject for debate among researchers, clinicians, and educators. Some say that a cultural stigma around mental health issues, or cultural tolerance of some of ADHD's hallmark symptoms, such as high activity level, mean fewer diagnoses for Latino families.  Also, as the Globe reports: