Children born to women who used the painkiller acetaminophen during pregnancy may have an increased risk of developing behavioral problems like attention-deficit hyperactivity disorder (ADHD), according to new research.

In a new study published in the journal JAMA Pediatrics, researchers analyzed data collected from 64,322 mothers and children enrolled in the Danish National Birth Cohort from 1996 to 2002. At each trimester of pregnancy, mothers were asked if they had used any acetaminophen in the past three months. Read more…