Why rituals like blowing out candles on a birthday cake table before eating it can improve the taste. Claudia Hammond talks to Michael Norton from Harvard University about his new research on the powerful effect of rituals on food and how it can work for chocolate and even carrots. Why people with an extraordinary ability to remember every details of their life and the events going on years ago are still susceptible to false memories. What does this reveal about how our memories work? More on the All in the Mind 25th anniversary mental health awards with awards judge, Marion Janner. What are the rules for people on medication for a mental health condition who want to give blood? Claudia talks to Jennie Naylor from NHS blood and transplant. Also in the programme why a meaningful life might not be a happy one and Claudia is joined by cognitive neuroscientist and blogger, Christian Jarrett to bust the myths about the differences between male and female brains.