Morning sickness may indicate high IQ

摘要

Sick of morning sickness? Take heart: it may be a sign that your child is developing a high IQ.rnIrena Nulman and colleagues at the Hospital for Sick Children in Toronto, Canada, contacted 120 women who years earlier had called a morning sickness hotline. Thirty did not have morning sickness, but the researchers asked the rest to recall the severity of their sickness, and gave the children of all the women, now aged between 3 and 7, a standard intelligence test.