The Guardian columnist Brigid Delaney talks with Gabrielle Jackson and Bonnie Malkin about the highs and lows of the years she spent researching her new book Wellmania. Delaney talks about how retreats and yoga have worked for her … but bird-poo facials not so much. She says she has become alert to the ‘savage and savvy business people’ in a ‘multitrillion-dollar industry’ but recommends the value that being quiet and disconnected from the phone can bring. ‘It’s definitely made me more aware of the way I live’ • Read an extract from Wellmania