Niamh Boden, owner of the Dunville Pharmacy in Ranelagh, Dublin: “When I started to take an interest in plant medicine I realised that a lot of the phytochemicals present in plants can have a similar reaction in the body to chemical medicines but are much gentler.” Photograph: Nick Bradshaw

While many western-trained doctors and pharmacists continue to reject all alternative medical treatments, others are embracing a complementary approac(...)