When actor Michael York found dark rings developing under his eyes it took three years to diagnose amyloidosis, a rare condition that can have fatal consequences. Sarah Boseley reports
Pete Etchells: On the one hand, anxiety is a serious and debilitating disorder. On the other, it can be a useful evolutionary response to threat. Understanding how anxiety works might help to destigmatise mental health issues
Pete Etchells: A recent briefing from Public Health England warns that too much screen time is causing emotional problems in children. But is it that simple?