Amy Brown is Professor of Child Public Health at Swansea University, where she has published over 100 research papers and books examining psychological, cultural and societal barriers to breastfeeding. Her research seeks to shift our perception of breastfeeding from an individual mothering issue to a wider public health challenge. Wendy Jones is a pharmacist, with over 25 years of experience as a breastfeeding support worker for the Breastfeeding Network (BfN). She runs the BfN Drugs in Breastmilk Service and has presented widely to healthcare professionals, volunteers and mothers on this subject. She qualified as an independent pharmacist prescriber but is now retired.