CYAM/Shutterstock Magic mushrooms are better known for producing hallucinations and altering people’s sense of reality than for treating brain diseases. Most people associate them with tripping, rather than Alzheimer’s disease. But a report on an individual patient has prompted scientists to ask whether psilocybin, the psychedelic compound in magic mushrooms, could have unexpected effects on the ageing brain. The report describes changes observed in a Japanese-American woman in her 80s with adva