Five Great Reads: Perils of high-impact exercise, the journo taking on big tech and birthdayzillas

The Guardian’s weekend wrap of essential reads from the past seven days, selected by Jacqui Housden Get this in your inbox every weekend. Sign up for Five Great Reads here Good morning. Maybe you’ve been worrying about the rise of Silicon Valley billionaires and what it means for humanity, or whether your exercise regime is hurting your health, or if those adult birthday invites and plans are just getting way out of hand, or … maybe you have not. Regardless, that is where some of our best reporting went this week. Enjoy. This story begins at a market in Lagos, Nigeria, where a teenager called Daniel is selling mobile phone accessories out of a wheelbarrow, hoping to escape the dim economic prospects of his country – they call it “japa”, or as one Lagosian tells Alexis Okeowo, “like running for your life”. When Daniel was given the chance to start a new life in the UK, he had no idea what was expected of him in return – and that he would be targeted by an organ-trafficking plot.‘It’s still going on, largely unreported, largely unchecked’: This case is the only successful conviction for organ trafficking under the Modern Slavery Act in the UK. Frank Tietie, a human rights lawyer, say