The environmental cost of Winter swimming

For some the local pool becomes a vital source of staying fit over winter but keeping the pool heated comes at an environmental cost, in this edition of The Conversation Hour we look at the future of keeping aquatic centres running over the chillier months.Also in this edition, chat bots are increasingly be used by people with eating disorders, so when are they helpful and when are they harmful? We look at a new national training program that helps long day care services manage food allergies plus how concerned should we be about vitamin B6 in our energy drinks?