Podcast:What's Up Docs? Published On: Tue Jan 06 2026 Description: In this new year episode, Chris and Xand continue their conversation with behaviour change expert Alasdair Cant, taking a closer look at the psychology behind our attempts to start afresh. They explore how Alasdair got into the field of behaviour change and the patterns that distinguish people who succeed with long-term change from those who struggle.If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at whatsupdocs@bbc.co.uk or Whatsapp on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Alasdair Cant Producer: Maia Miller-Lewis Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Grace Revill Tech Lead: Reuben Huxtable Social Media: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Ruth RaineyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4.