The team return, getting behind the hype and headlines to tackle the health issues that matter. Does burning calories through exercise leave you hungrier than not eating those calories in the first place? Michael Mosley investigates. Gabriel Weston looks at how 3D printing is transforming surgery, and meets a patient who’s had a replacement sternum made with this amazing technology. Chris van Tulleken asks whether we should get our omega-3 from fresh fish or supplements. Saleyha Ahsan studies probiotics and their effects on your gut. And Zoe Williams explores activities designed to boost your metabolic rate – can they help you lose weight?
BBC Earth is on Starhub Channel 407.