Do we only use 10% of our brain? Why do brain tissues have different colours? How is it that some people see an object as blue, while others say that same object is green? What happens in the brain with ALS? Is there a link between rheumatoid arthritis and anxiety? What happens in the brain when you take psychedelics? How can I find out which stage of cognitive decline I am in, and how can I prevent Alzheimer’s disease or dementia? What goes wrong in the brain when I lose focus? What is the effect of a visual impairment on the brain? And is there anything we can do to restore it? Why is some information stored so quickly in the brain, while other information takes much longer?