With the indulgences of Christmas behind us, Steve ORahilly sheds some light on shedding a few pounds as he discusses the science of appetite, obesity and weight loss, Len Almond describes the role of exercise in losing weight, John ODoherty talks about what happens in our brains when we reach for our favourite brands, Jane Visvader and Connie Eaves describe their discovery of the breast stem cell, and Dave and Derek find out what cream and paint have in common in Kitchen Science. Like this podcast? Please help us by supporting the Naked Scientists)