Is there a link between rheumatoid arthritis and anxiety? What happens in the brain with ALS? Do we only use 10% of our brain? Can I learn from a text by listening to it while I sleep?  How does personality arise? And does it change over the course of your life? Can you distinguish between people who are visual or auditory learners? Do the male and female brain differ? What is the impact of speaking multiple languages on the brain? How is it that some people see an object as blue, while others say that same object is green? When are we able to solve MS?