“Researchers speculate that GDF15 may have evolved to help #pregnant women detect and avoid unsafe foods that might harm fetal development early in gestation. But in #hyperemesis, this normally protective mechanism seems to run in overdrive, at least in part because of too much #GDF15,”

In a study published in 2022, Dr. Fejzo and her colleagues confirmed the link between hyperemesis and GDF15 in the patients she had enrolled over a decade of Fridays.”

https://www.nytimes.com/2023/03/14/well/marlena-fejzo-hyperemesis-gravidarum.html