Scientists found that chemicals replacing BPA in food packaging can leak into food and disrupt essential functions in human ovarian cells. The discovery challenges the idea that “BPA-free” automatically means safer. Credit: Shutterstock Chemicals used as replacements for bisphenol A (BPA) in food packaging may have concerning effects on human ovarian cells, according to researchers at McGill University. In a new study, scientists analyzed several substances commonly found in price stickers