Coffee has that effect on you if you are a coffee lover. Your day starts with coffee and you just cannot live without that cup of coffee in the morning. Your complete functioning is disturbed without that one cup of coffee. You always say that it has that effect on your brain, it stimulates your brain and so on. But does drinking coffee actually has any effect on your brain or is it just a myth? This video clearly explains the science and connection between coffee, your brain and your functioning.