NATURE | What happens when Joe Wicks spends 24 hours alone in the woods? Featuring neuroscientist Katherine Templar Lewis

How does spending time in nature affect our physical and mental health – and how can we get the benefits if we live in a busy city? To find out more, Joe Wicks joins conservationist and veteran Merlin Hanbury-Tenison in one of the UK’s only surviving rainforests, goes completely off-grid for 24 hours and uses cutting-edge scientific testing to reveal what being in nature does to his brain. He’s also joined by neuroscientist Katherine Templar Lewis and wildlife presenter and activist Nadeem Pe...