Health Data That May Leave You of Two Minds

A report last week that mental-health disorders are on the rise among American children may reflect gaps in detection of disease more than a troubling of the national psyche.

Scientists at the U.S. Centers for Disease Control and Prevention found that 13% to 20% of American children age 3 to 17 experience mental disorders each year, and that rates have been increasing.

By CARL BIALIK

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