Does midwinter make you want to eat all the food in your fridge, curl up in a duvet and sleep until spring? You're not alone, many plants and animals feel the same way, but you might not be so keen when we tell you just what it would do to your body! Snuggle down as we explore the world of hibernation and how it might be used to help humans. Plus, in the news: detoxing debunked and the miracle of the microbiome.