Study design and measures

The Guardian’s science editor, Ian Sample, sits down with co-host Madeleine Finlay to discuss three eye-catching stories from the week, including a study investigating the link between social media use in children and rising rates of ADHD diagnosis. Also on the agenda is groundbreaking evidence that humans were starting fires 350,000 years earlier than previously known, and the discovery of a new strain of the mpox virus in England. Help support our independent journalism at theguardian.com/sciencepod