While we are happy to think that our IQ is static and that we will never get any more clever, in fact, you will find that brain functioning can change dramatically throughout our lives. Think of the day after a heavy night of drinking. You will find that your brain works more slowly and does not seem to function as effectively. However, on other days when you have had more sleep or have done a lot of exercise, you will find that your brain works with more clarity. This is because brain functioning relies on fuel and oxygen. With that said, there are certain foods which improve cognitive functioning, helping with memory and logic, essentially making you more clever. Try incorporating these foods into your diet to help improve your brainpower.