Neonatology is a relatively new medical specialty. The first NICU was set up in 1965. That the field has blossomed in the age of polymers is probably not a coincidence, given the challenges of treating babies with hair-thin veins and tissue-paper skin. Still, until the 1980s, most of the intravenous fluids used in NICUs came in glass bottles. Short remembers the worry and inconvenience of those bottles falling and breaking. At first, said Short, the move to plastic seemed a tremendous advance. “We all thought plastics were inert, safe. We didn’t have to worry about it. Then as the research came out, it became more and more evident we needed to pay attention.”
And here, Short hit on the central paradox of plastic in medicine: in the act of healing, it may also do harm.