By Dr Alison Bernstein, Dr Anastasia Bodnar, Jenny Splitter, Kavin Senapathy, Dr Layla Katiraee, and Natalie Newell In 2015, a group of scientists and science communicators penned a letter to a group of celebrity moms, including Sarah Michelle Gellar and Gwyneth Paltrow, to address their support for mandated GMO labeling…