If you complain of brain fog to a medical professional, you're likely to be told that it isn't a recognised condition. But if you mention brain fog to your friends, they'll know exactly what you mean: fuzzy thinking, trouble concentrating, a sense of grasping for the right word, feeling like your brain is somehow slowed down. In truth, brain fog is not a diagnosis in itself, but a sign that things aren't right in your body. In , neuroscientist Dr Sabina Brennan guides us through the science to show how our brains work, and why we might experience confusion and anxiety. She offers tools to help you identify your own cognitive profile, determining the causes of your specific symptoms, and explains the simple strategies that can help you feel like yourself again. With brain fog now identified as one of the long-term effects of Covid-19, there has never been a more timely moment to tackle your symptoms, with Dr Brennan's unique 30-day plan. takes your symptoms seriously, and shows that you don't have to live with them.