Jamie Hartmann-Boyce and Nicola Lindson discuss emerging evidence in e-cigarette research and interview Dr Caitlin Notley. Jamie Hartmann-Boyce and Nicola Lindson discuss emerging evidence in e-cigarette research and interview Dr Caitlin Notley. This podcast is a companion to the electronic cigarettes Cochrane living systematic review and shares the evidence from the monthly searches. In the March episode Jamie Hartmann-Boyce interviews Dr Caitlin Notley from the Addiction Research Group at the University of East Anglia. The interview covers her qualitative research that centres on electronic cigarettes as a harm reduction tool, smoking cessation and relapse prevention in vulnerable populations. Dr Notley also discusses relapse prevention in pregnant and post-partum women and the role of social identity. As well as our usual searches, in March we searched conference abstracts from the annual meeting of the Society for Research on Nicotine and Tobacco (SRNT). We identified four new included studies, five new ongoing studies and five papers linked to studies already included in the review. The four new studies identified are summarised in the ‘in a nutshell’ section of the podcast. They are all reported as conference abstracts; three of which were identified from the SRNT 2021 abstract book (SYM2A, SYM2B, PH‐353; https://www.srnt.org/page/2021_Meeting). The fourth was found in a systematic review identified through our search and is available here: http://dx.doi.org/10.1016/j.drugalcdep.2015.07.1091.