Dispelling severe 'morning sickness' myths: It's not normal or harmless, but prevention and treatment might be on the way

Late last year, geneticists made the discovery that morning sickness's most serious presentation, hyperemesis gravidarum (HG), is caused by the hormone GDF15, not human chorionic gonadotropin as previously thought. Researchers dispel common morning sickness myths and discusses potential treatments, including sensitizing people to GDF15 prior to pregnancy, similar to the way we treat allergies.