Former graduate student, Katrina Daigle, found that opioid-dependent mothers with reduced oxytocin levels give fewer gentle touches to babies
UMaine Psychology research found that mothers being treated for opioid-dependency showed impaired responsiveness and sensitivity to their babies, compared to mothers not dependent on opioids, but similar in socioeconomic and lifestyle factors.
https://medicalxpress.com/news/2019-11-opioid-dependent-mothers-oxytocin-gentle-babies.html