When starting school, younger children are more likely to be diagnosed with ADHD, study says
Could a child’s birthday put him or her at risk for an ADHD misdiagnosis? The answer appears to be yes, at least among children born in August who start school in states where enrollment is cut off at a Sept. 1 birth date, according to a new study led by Harvard Medical School researchers. The findings, published Nov. 28 in The New England Journal of Medicine, show that children born in August in those states are 30 percent more likely to receive an ADHD diagnosis, compared with their slightly older peers enrolled in the same grade. The rate of ADHD diagnoses among children has risen dramatically over the past 20 years. In 2016 alone, more than 5 percent of U.S. children were being actively treated with medication for ADHD. Experts believe the rise is fueled by a combination of factors, including a greater recognition of the disorder, a true rise in the incidence...