We asked for your questions on getting healthy in 2025 and you delivered. In the first episode of our listener questions special, Madeleine Finlay tells Ian Sample what she has uncovered about the scientifically proven ways to cut down on sugar, the truth behind the panic over seed oils, and why it is that some of us seem to have bullet proof immune systems, while others succumb to every bug they encounter. Help support our independent journalism at <a href="https://www.theguardian.com/sciencepod">theguardian.com/sciencepod</a>
