Does eating liquorice in pregnancy raise the risk of ADHD?

 ADHD in the News 2017-02-09

Researchers found girls whose mothers had consumed high amounts of liquorice during pregnancy were more likely to go through puberty at a younger age. And girls and boys whose mothers consumed high amounts scored seven points lower on intelligence tests, and higher for attention deficit hyperactivity disorder (ADHD). But, as with many other diet studies, the picture is too complex for us to assume a direct cause and effect relationship.